International Journals of Multidisciplinary Research
Academy (IJMRA)

Abstract:
The study of heat transfer of dusty fluid of an axially symmetrical jet mixing of a compressible fluid has been received considerable attention in the past due to its applications in the industries. The present study focused on the solution of an axially symmetrical jet mixing of a compressible dusty fluid . Assuming the velocity and temperature in the jet to differ slightly from that of the surrounding stream, a perturbation method has been employed to linearize the basic equations. The resulting equations are then solved by Hankel’s and Laplace transformation technique. It has been observed that the axial fluid velocity is more than the axial particle velocity near the nozzle exit.
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Abstract:
In this paper, we proposed multi-grid method for the numerical solution of parabolic partial differential equations (PDEs) using biorthogonal wavelets. The standard multigrid procedure performs poorly or may break down when used to solve certain PDEs with discontinuous or highly oscillatory coefficients and also involve some difficulty to observe fast convergence in low computational time. To overcome this, we used Biorthogonal Wavelet Based Multigrid Method for solving parabolic PDEs in which the system of equations arising from the finite difference discretization is represented in wavelet bases. Some of the test problems are presented to demonstrate the validity and applicability of the proposed method
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Abstract:
In this paper, haar wavelet based numerical method is developed for the solution of non-linear boundary value problems arising in fluid dynamics. An operational matrix of integration based on the Haar wavelet is established, and the procedure for applying the matrix to solve these equations, which satisfies the boundary conditions, is formulated.
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Abstract:
Wavelet transforms or wavelet analysis is a recently developed mathematical tool for many problems. Wavelets also can be applied in numerical analysis. In this article, we present a Laguerre wavelet based numerical method for the solution of differential equations. The proposed technique utilizes the Laguerre wavelets basis in conjunction with collocation technique. The Laguerre wavelets basis are derived and utilized for the solution of some typical ordinary differential equations. Convergence analysis for the proposed technique has also been given. Numerical examples are provided to illustrate the efficiency and accuracy of the technique. The results show that the proposed way are quite reasonable when compare to exact solution.
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Abstract:
In this paper, we proposed an efficient Haar wavelet collocation method for the numerical solution of typical nonlinear parabolic partial differential equations. Such type of problem arises in various fields of science and engineering. In the present study more accurate solutions have been obtained by Haar wavelet decomposition with multiresolution analysis. Test problem is considered to check the efficiency and accuracy of the proposed method. An extensive amount of error analysis has been carried out to obtain the convergence of the method. The numerical results are found in good agreement with exact and finite difference method (FDM), which shows that the solution using Haar wavelet collocation method (HWCM) is more effective and accurate and manageable for this type of problems
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Abstract:
In this paper, Legendre wavelet collocation method is developed for the numerical solution of weakly singular integral equations. Properties of Legendre wavelet and its function approximation are discussed. Proposed method converts the integral equation into system of algebraic equations and solving these equations to obtain the Legendre wavelet coefficients. Convergence and error analysis of the Illustrative examples are presented to show the efficiency of the proposed method.
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Abstract:
Bernoulli wavelet based numerical method is developed for the solution of Abel’s integral equations. The properties of Bernoulli wavelets are discussed. This method is based on Bernoulli wavelets polynomials. Integral equation is reduced into system of algebraic equations. Using Matlab, we obtained the Bernoulli wavelet coefficients at the collocation points. Numerical results and error analysis are tested through some of the illustrative examples, which show the efficiency of the proposed method.
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Abstract:
The theory and application of Delay Differential Equations (DDE’s) have recently drawn a great deal of attention from Scientists, mathematicians and other disciplines. In this paper, Hermite Wavelet based Numerical Method for the solution of Delay Differential Equations (DDE’s) is presented. The method is based on Hermite Polynomials. The present method reduces the computational difficulties of the other traditional methods and all the calculations can be made simple manipulations. Some illustrative numerical experiments are included to demonstrate the validity and applicability of the present technique. Comparison of numerical results explicitly reflects the high level of accuracy and reliability.
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Abstract:
In this paper, we proposed Laguerre wavelet based Galerkin method for the numerical solution of elliptic problems. Here, we obtain numerical solutions of elliptic problems using modified Laguerre wavelets with respect to the given boundary conditions by Galerkin method. The numerical results obtained by this method are compared with the exact solution and solutions of other existing method. Some of the test problems are considered to demonstrate the applicability and validity of the proposed method.
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Abstract:
Fixed point theorems provide conditions under which maps (single or multi-valued) have solutions. The theory itself is a beautiful mixture of analysis, topology, and geometry. In particular, fixed point techniques have been applied in such diverse fields as Biology, Chemistry, Economics, Engineering, Game Theory, and Physics. Fixed point theory plays an important role in functional analysis, approximation theory, differential equations and applications such as boundary value problems etc. The concept of a metric space was introduced in 1906 by M. Frechet [2]. One extension of metric spaces is the so called cone metric space. In cone metric spaces, the metric is no longer a positive number but a vector, in general an element of a Banach space equipped with a cone. In 2007, Huang & Xian [3] introduced the notion of a cone metric space and established some fixed point theorems in cone metric spaces, an ambient space which is obtained by replacing the real axis in the definition of the distance, by an ordered real Banach space whose order is induced by a normal cone P. In this paper we introduce the notion of quasi generalized contraction pair of self maps on a cone metric space and observe that this notion is weaker than the notion of generalized contraction pair of self maps introduced in [1]. Also we prove a common fixed point theorem for a quasi generalized contraction pair of self maps and provide examples analyzing various situations.
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Abstract:
Biorthogonal spline wavelet transform method is proposed for the numerical solution of integral and integro-differential equations. It uses biorthogonal spline wavelet filter coefficients matrix as a prolongation and restriction operators. The performance of the proposed method is better than the existing ones in terms of super convergence with low computational time. Some of the illustrative examples are demonstrate through error analysis.
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Abstract:
Unique from the brought together approach, a disseminated reconstructing convention comprises of three sorts of members, the system owner, approved system users, and all sensor nodes. An incorporated reinventing convention includes just two sorts of members, the base station (managed by the system owner) and all sensor nodes.
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Abstract:
Fuzzy Petri net models are very helpful for specifying the expert systems with imprecise description of rules. An expert system based on Fuzzy rule based systems are common, and specification of those systems by tools like Petri nets encourage more research work nowadays. The theme of this paper is to construct an iterative scheme using data mining techniques for extracting optimal set of rules. The best accuracies of such models are devised. The result obtained is used for generating the optimal rule base for predicting the Student performance results.
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Abstract:
A dynamical system is an order pair (S, f) whereS is a semi group and f is a homomorphism fromS to S which is an endomorphism. In thisdynamical system (S, f) we introduced fixedpoints and periodic points and related resultsare obtained. Regular dynamical system andinversedynamical system is also defined andrelatedresults are obtained. In this paper it isimportant observe that regular element in asemi group is also a regular element in thedynamical system. Inverse dynamical system isintroduced and important results are obtained.
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Abstract:
Achievement for Happiness has urbanized the 5 Keys to Happier Living based on a review of the latest scientific research relating to happiness. Everyone's path to happiness is different, but the research suggests these five things consistently tend to have a positive impact on people's overall happiness and well-being. The key motive of development is happiness. The ultimate aim of life is to be happy. Everyone wants to be happy. Searching for happiness is the ultimate aim of their life and start to find happiness in all their activities. Happiness varies person to person. In this paper we discussed to how we interact with the outside world in our daily activities based on fuzzy cognitive maps.
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Abstract:
We define various types of Fibonacci and Lucas peseudoprimes and prove some theorems on these pseudoprimes. In particular, we will discuss the existence of Fibonacci pseudoprimes by setting some parameters.
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Abstract:
An increasing amount of data is becoming available on the internet. Each and every one of us is conproducing and releasing data about something. Big Data can develop into a problem when different soudata are match up for commercial use in targeted advertising processes. Rough set theory is a new matheapproach to imperfect knowledge. It was proposed by Pawlak(1982).The benefit of rough set theory analysis is that it can easily find the reducts using approximations without need any preliminary or addinformation about data. The proposed approach provides efficient algorithms for deducting unseen pattdata.
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Abstract:
In this paper, we have suggested a simple scheme for prime-factor decomposition of Inverse Discrete Cosine Transform (IDCT) and systolic mesh architecture for its implementation. It is interesting to note that the transposition of the intermediate matrix is avoided in this structure by orthogonal processing during the pair of matrix multiplication i.e., if the processing for the first matrix multiplication takes place along Xdirection, the processing for the second matrix multiplication is carried out along Y-direction. Due to this feature, the structure is highly compact, offers saving for transposition hardware and at the same time yields high throughput with less latency.
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Abstract:
BibhudendraAcharya in [15] proposed the concepts of Novel Methods of Generating Self-Invertible Matrix for HillCipher Algorithm. In this paper introduceDigraph Affine Hill cipheranddiscuss about cryptanalysis of Affine Hill cipher and Digraph Affine Hill cipher using Self-Invertible Matrix.
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Abstract:
In this paper, we prove the existence of fixed and common fixed point results of generalized Geraghtycontractions of self maps with altering distance function invoving rational type expressions in partially ordered metric spaces. These results extend the some known results. Examples are provided in support of our results.
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Abstract:
In this paper we will solve conjecture posed by M.Coman on primes by giving suitable example. We will bring a generalized theorem for square primes, which will deal with the generalization of Fermat Pseudoprime, which gives infinitely many pseudoprimes for different base system.
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Abstract:
Proving existence and uniqueness of fixed points by using generalized altering distance function in complete metric space has nice application. In this paper, we obtain unique common fixed point results for four self mappings by altering distances in seven variables and application to integral type inequalities.
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Abstract:
Correlation and regression analysis, ANOVA, multiple comparison by Scheffe’s post hoc test are used in the current study to figure out the influence of 13 soil parameters present in various agricultural soils in a batch adsorption study of Cr (VI). The soil parameters namely pH, electric conductivity (Eh), Ca, CaO, organic carbon (OC), organic matter (OM), cation exchange capacity (CEC), available nitrogen, sulfur, potassium (K) and Sodium (Na) etc were estimated for all the soil samples as they play a vital role and influences the adsorption affinity of metal ions on the soils. Among the 48 soil samples lowest pH was found in range of pH was 4.86 - 7.94, the CEC values ranged between 0.696meq/100g to 5.99meq/100g. The adsorption affinity of Cr (VI) on various agricultural soils was carried out in a batch adsorption study with experimental conditions, the Cr (VI) adsorption was found to be in the range of 37.78% to 98.725%. Statistical analysis using correlation and regression analysis along with one way ANOVA were used to identify the influence of soil parameters on adsorption of Cr (VI) has been carried out. A significant positive correlation was observed between soil parameters and adsorption of Cr (VI) at 10ppm at 0.01 levels. The parameters CaCO3 and P2O5 had shown significant negative correlation.
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Abstract:
In this paper, we prove some common fixed point results in the framework of metric and partially ordered metric spaces satisfying a generalized contractive condition of rational type. The proved results generalize and extend some known results in the literature.
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Abstract:
There are many mining organizations in India contributing in economic development. The output is produced involving all functional managements gifted with proven expertise and experience. The enlightened management teams on appreciating the scope and utility of “Operations Research(O.R)” have been utilizing it for decision making on vital issues that interface with different disciplines like; production, marketing etc.
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Abstract:
The iron industries produce a huge quantity of blast furnace slag as by-product, which is a non-biodegradable waste material from that only a small percentage of it is used by cement industries to manufacture cement. In present inspection Blast Furnace Slag from Vizag-Steel Plant has been utilized for finding its appropriateness as a Fine Aggregate in concrete. Replacement of some natural aggregates with Slag would lead to abundant environmental benefits. It is interesting that the Blast Furnace Slag (BFS) can be used as a fine aggregate in concrete. Based on overall experimental results, it could be advisable that the Slag could be effectively utilized as fine aggregate in concrete practice.
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Abstract:
The current project work is focused on investigating the effect of replacement of recycled concrete aggregate (coarse and fine) over natural aggregate, on the mechanical properties of designed concrete. Three types of concrete were designed for this purpose. The normal concrete (NC) comprises of cement, coarse and fine aggregate, whereas the recycled fine concrete (RF) and recycled coarse concrete (RC) were replaced with 50% recycled fine and 50% recycled coarse aggregate respectively.
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Abstract:
The Visakhapatnam city lies on the eastern part of India and the urban sprawl in Visakhapatnam town was analyzed using multi-temporal Landsat TM data from 2005 to 2015. Spectral indices namely Normalized Difference Vegetation Index (NDVI), Normalized Difference Builtup Index (NDBI) and Built-up Index (BUI) were generated from the Landsat TM bands covering visible Red (R), Near Infrared (NIR) and Short Wave Infrared (SWIR) wavelength regions.
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Abstract:
It reflects that plastic wastes can be used in stabilization of soil which is concluded from various tests conducted on fiber reinforced soil with varying fiber content. In this study, different means of plastic waste as shopping bags which are locally available are used so as a reinforcement to perform unconfined compressive test while mixing with soil for improving engineering performance of sub grade soil. In this the plastic strips which are collected for stabilization of soil were mixed randomly with the soil. With this a series of tests were carried out on randomly reinforced soil with varying percentage of plastic strips starting from 0, 0.5%, 1.5% and 2.5%. Use of plastic in soil in an appropriate amount really aids in improving the strength of soil and can be useful as sub grade soil which can be used in pavement construction.
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Abstract:
Structural components subjected to in plane periodic loads may undergo instability due to certain combinations of natural frequency and in plane load parameters which is called parametric resonance. Composite structural components are often subjected to various environmental loads during their service life. The presence of temperature and moisture concentration may significantly reduce the stiffness and strength of the structures and may affect some design parameter such as vibration and instability characteristics of the structures. Therefore the parametric resonance behaviour of laminated composite curved panels subjected to adverse hygrothermal environment are studied in the present investigation
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Abstract:
Remote sensing (RS) and Geographical Information System (GIS) data provides timely, accurate and reliable information at definite intervals in a cost effective manner and these tools are helpful in mapping and monitoring of natural resources available for proper utilization.The Meghadrigedda watershed is selected for the present study and has a gross capacity of 1169 Mc. Ft. For the identification of morphological features and analyzing their properties of the Meghadrigedda basin various GIS and image processing techniques have been adopted. The linear and aerial aspects of the basin were calculated and computed. It is 7th order drainage basin and drainage pattern is dendritic type. The results obtained from watershed delineation and prioritization has wider application in preservation of the watershed.
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Abstract:
Geotextiles, Geo-membranes and Geo-grids, the products of Geo-synthetic materials are extensively used in 1980’s have added Geo-EPS as a cost effective energy efficient new construction materials from 1990. The slogan of the nation, India is “Housing for all” on its 75th year of Independence, tentatively 20 million house by 2022. The herculean task cannot be met by conventional method of constructing cast in situ houses with modern amenities under Indian climate and environment is a day dream.
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Abstract:
The city of destiny, Visakhapatnam is producing an estimated solid waste of 1300 tonnes of solid waste a day. GVMC, the municipal corporation is doing a lot of hectic work in transporting the solid waste in collection, transporting, dumping ,isolation of species, open burning and incineration in the solid waste disposal plant at Kapuluppada, nearly 15 kilometers away from the town limits.
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Abstract:
Now -a- Days we have two types of treatment processes they are physiochemical process and biological process.in biological process ASP, trickling filters, RBC, oxidation ponds, and phytoremediation. At present phytoremediation is in the early stage of commercialization for treatment of wastewater containing organic and inorganic pollutants, and in the future it may provide a low cost option. In phytoremedition we use plants for treating waste water. In that roots are influent collectors and leaves are product delivers.
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Abstract:
Nowadays Cement is major constituent material in construction industry and Lime and Silica producesthe Cement.Without these natural materials production of cement is very tedious task.Moreover the emission of Carbondioxide(CO2) is more in the production of Cement.
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Abstract:
Analysis of portal frames involves lot of complications and tedious calculations by conventional methods. To carry out such analysis it is a time consuming task. The Moment Distribution Method & Kani’s Method for analysis of portal frames can be handy in approximate and quick analysis so as to get the detailed estimates ready. In this work, these two methods have been applied only for uniform distributed loading conditions. This paper mainly deals with the comparative analysis of the results obtained from the analysis of single bay portal frame when analyzed manually by using STAAD.Pro Software separately. The result obtained from manually is mostly matched with the results obtained from STAAD.Pro software
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Abstract:
The improvement of concrete technology can able to decrease the pollutants on environment and usage of natural resources. This paper explains the usefulness of using Rice husk ash (RHA) in concrete production as a partial replacement of cement. After replacement, this can improve the strength as well as durability properties of concrete. RHA has high reactivity and pozzolonic property and this property depends on temperature. Concrete mixtures were produced and tested both with RHA and without RHA replacement in terms of compressive strength and results have been compared between both of them. 30% replacement of cement with RHA has been done in all cases. Soil stabilization and ground improving techniques have become a important issue in construction field now a days. The common soil stabilization methods are becoming more costly because of high cost of stabilizing agents like lime, cement etc. The cost of the stabilization may be decreased by proper replacement of RHA with suitable proportion. Soil replacement with RHA and also different tests have been conducted to check the effectiveness of RHA in the soil stabilization aspect. So that RHA usage can reduce the cost of the total construction.
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Abstract:
Use of recycled aggregate in concrete can be useful for environmental protection. Recycledaggregates are the materials for the future. The application of recycled aggregate has been started in a large number of construction projects of many European, American, Russian and Asian countries.This paper reports the basic properties of recycled fine aggregate & also compares these properties with natural aggregates. Similarly the properties of recycled aggregate concrete are also determined. Basic concrete properties like compressive strength,split tensile strength, flexural strength and workability etc. are explained here for different combinations of recycled aggregate with natural aggregate. The concrete mixes were designed using IS 10262-2009 .fine aggregate is partially replaced with 10%,20%,30% and cement is partially replaced with silicafume of 0%,10%and 15% respectively
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Abstract:
Superplasticizer which is also known as high range water reducers are chemical admixtures used where well-dispersed particle suspension is required. These polymers are used as dispersants to avoid particle segregation and to improve the flow characteristics of concrete. Flocculation of cement particles occur in a concrete mix without superplasticizer which reduces the workability of concrete, however for the same water-cement ratio there is a uniform distribution of cement particles for a concrete mix with superplasticizer. The super plasticizers added in small amounts, affect many properties of concrete, from the time the water comes into contact with dry ingredients of concrete to long-term behaviour. Super plasticizers advantages are high water reduction up to 40percentage, increased mechanical strength, increased impermeability and increased durability. In order to obtain high strength fluid concrete.This paper is a study of the effect of three different types of superplasticizer namely: Sulphonated Naphthalene Formaldehyde (SNF), Poly Carboxylate Ether (PCE) and Modified Poly Carboxylate Ether (MPCE) on the workability and mechanical properties of self-compacting concrete (SCC) mixtures
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Abstract:
Soil erosion involves detachment and transport of soil particles from top soil layers, degrading soil quality and reducing the productivity of affected lands. The eroded soil, which ultimately accumulate on the river bed or on the bottom of reservoirs, cause inundation by decreasing the cross section area of river stream and the reduction of storage capacity of reservoirs. Soil erosion also leads to degradation of water quality. Exact estimation of the amount of soil erosion is the basic and essential step not only for the research of river morphology and water quality, but also for appropriate management of sediments and the watershed as well. Keeping this in view it is proposed to estimate the spatial distribution of soil erosion in Ram Sagar Catchment of Paralakhemundi block in Gajapati District and calculate the amount of soil erosion through a GIS based model. Revised Universal Soil Loss Equation (RUSLE) model has been considered to estimate the soil erosion. As per the Revised Universal Soil Loss Equation (RUSLE) model different climatic and physiographic parameters influence the amount of soil loss. These factors are: Rainfall Erosivity Factor, Soil Erodibility Factor, Slope Length & Steepness Factor, Cover Management Factor and Conservation Practice Factor. The rainfall erosivity factor is most important factor that significantly affects the soil erosion. This factor depends on the daily rainfall pattern and the process of arriving at this factor involves a systematic analysis of the rainfall data. The present paper highlights the data analysis and the computational process followed at arriving the Rainfall Erosivity factor. The analysis has been carried out using three year rainfall data for the study area i.e. Ram Sagar Catchment of Paralakhemundi block in Gajapati District.
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Abstract:
Concrete is used widely in all types of constructions ranging from small buildings to large structures like dams or reservoirs. It is the most widely used construction material to improve the strength& quality of structural elements. Sand is one of the important ingredients in the making of concrete but the availability of sand is a tedious task. For the protection of environment, almost all local governments have to be taken a decision to minimize sand excavation for utilization in construction. The current study an attempt has been made to studying the behavior of the concrete made by partial replacement of sand with Stone Crusher Dust (SCD) using admixture. The design mix prepared for M53 grade concrete as per IS Code and fine aggregate has been replaced by Stone Crusher Dust at 10%, 20%, 30%, 40% and 50% by weight. The strength tests have been made to study for 3, 7 and 28days curing period.
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Abstract:
An ionic liquid-like imidazolium was synthesized and characterized by 1H, 13C, and I.R spectroscopy. Anticorrosion impacts of the1-Butyl-3-Ethyl imidazolium bromide ionic liquid were studied. The analysis was observed by Tafel plot and Electrochemical Impedance Spectroscopy which show high mitigation efficiency in 0.5 M H2SO4 solution. Electrochemical studies revealed that the investigated compound is a mixed-type of inhibitor and Langmuir adsorption isotherm is observed. The mitigation efficiency was increased with an increase in concentration. The corrosion mitigation influence of 1-Butyl-3-Ethyl imidazolium bromide is observed due to the adsorptive interaction with the surface of mild steel which formed a protective layer against corrosion. The quantum chemical calculations supplement the results of polarization studies.
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Abstract:
In the analysis of continuous beam, there are many complexities and monotonous calculations involved in traditional methods. End moment is one of the important parameter from the structure design point of view. In these present investigations to calculate end moment’s two different methods i.e. Slope deflection and flexibility matrix method have been applied for the analyses of the continuous beam. The study reveals that the End moments obtained from these methods have nearly same value when compared with STAAD.Pro Software. The results obtained from slope deflectio method are quite accurate value then the compare with the STAAD.Pro.
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Abstract:
During its whole life span, nearly all engineering structures ranging from residential building to power stations and bridges faces degradation or deteriorations. The main causes for those deteriorations are environmental effects including corrosion of steel, gradual loss of strength with ageing, variation in temperature, freeze-thaw cycles, repeated high intensity loading, contact with chemicals and saline water and exposer to Ultra-violet radiations. Addition to these environmental effects earthquakes is also a major cause of deterioration of any structure. This problem needs development of successful structural retrofit technologies. So it is very important to have a check upon the continuing performance of the civil engineering infrastructures. The structural retrofit problem has two options; repair/retrofit or demolition/reconstruction means complete replacement of an existing structure may not be a cost-effective
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Abstract:
Advancement of automated/computerized guided vehicle assumes a noteworthy part in designing businesses to enhance the material taking care of procedure for late year. In this paper, it is focus on the design and different methodology of line follower automated guided vehicle (AGV) systems. This paper provides an overview on line follower AGV discusses recent technological developments. The essential components of line follower robot and their modification are described in this paper.
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Abstract:
This procedure utilizes a non-consumable device to create frictional warmth in AA 7020 T-6 the adjoining surfaces. The welding parameters and device stick profile assume significant parts in choosing the weld quality. In this examination, an endeavor has been made to comprehend the impact of hardware speed (rpm) and instrument stick profile on Friction Stir Processing (FSP) zone arrangement in aluminum compound.
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Abstract:
“ Petroleum based fuels play a vital rule in rapid depletion of conventional energy sources along with incredible demand and also major contributes of air pollution which helps to address the energy, cost and global warming Bio diesel is define as the mono alkali Easters of long chain fatty acids derived from renewable lipid sources. It is made from vegetable oil, animal fats and other resources that can be used with little or no engine modification. The biodiesel is oxygenated, non toxic, sulphur free bio degradable and renewable fuel.
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Abstract:
The electrical discharge machining (EDM) is a inimitable and particular manufacturing process and extremely intricate, stretch fluctuating & stochastic process. Machining of conductive materials producing complex shapes with high accuracy. The process output is affected by large no of input variables. The intention of this effort is to trajectory the impetus of four design factors current (I), voltage (V), pulse on (Ton), and duty factor (ƞ) which are the most connected parameters to be controlled by the EDM process over machining specifications such as material removal rate (MRR) and tool wear rate (TWR) and characteristics of surface integrity such as average surface roughness (Ra) and the hardness (HR) and also to enumerate them. In this paper the experiments have been conducted by using full factorial design 23 with three central point in the DOE techniques and developed a mathematical model to predict material removal rate, average surface roughness and hardness using input parameters such as current, voltage, pulse on, and duty factor. The predicted results are very close to experimental values. Hence this mathematical model could be used to predict the responses such as material removal rate, and average surface roughness effectively within the input parameters studied.
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Abstract:
In standard 2 wheel steering system, the rear set of wheels are always directed forward and do not play an active role in controlling the steering. While in 4 wheel steering system, the rear wheels do play an active role of steering, which can be guided at high as well as low speeds. Production cars are designed to under steer and rarely do them over steer.
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Abstract:
Electrical Discharge Machining (EDM) is a non-traditional process that uses electrical thermal energy to machine metals. It is extremely useful in machining hard materials. With the advantages, EDM has to offer and its presence as a common and useable technique, along with the other machining processes available to the industrial world, there is an added strain on the environment. The scope of this paper includes the optimization and analysis of dependent variables in EDM and the resulting outputs by experimentation on SS-316.
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Abstract:
The gas turbine obtains its power through a hot fluid with high temperature and pressure moving at a high speed and expanding through the several rings of moving and fixed blades. The purpose of gas turbine is mainly to generate electricity and to propel different machinery and objects via the mechanical energy produced. Gas turbines use up high pressure burnt gas to produce electricity and industrial application and is also used to propel jet engines.The number of gas turbine stages have a more effect on the turbine blades and are designed for each stage. Most of the gas turbine engines are double spool designs, meaning that there is a low pressure spool and a high pressure spool and the turbines used three spools, intermediate pressure spool is added in between the low and high pressure spool.
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Abstract:
In metal casting, defect free castings which require least finishing operations has been the primary goal since the inception of technology.It is always desired that the yield of casting is maximized against the volume of feeder/riser accommodated to meet the solidification shrinkage requirement. Major casting defects, such as shrinkage cavity, porosity, hot tears etc. occurs during or as a result of solidification phenomenon of the molten metal. These defects can be minimized by appropriate changes in feeding parameters, such as feeder location, feeder shape and size, feeder neck shape and size. Selecting the correct set of parameters that lead to the desired quality and yield, is important but difficult to achieve. The practical approach of design of feeder has high factor of safety and due to that oversized feeders have normally been designed and tested on shop floor. This consumes lot of time and resources. Thus, there is a need for computer aided optimal feeder design coupled with solidification simulation so as to reduce the no. of the shop-floor trials and obtain enhanced yield and high quality, in minimal possible time. The initial design is the aluminium casting part (without feeder) which is simulated online in Efoundrytodetect the location of hotspot. Then a feeder is designed on the following steps: determination of the feeder-neck connection point on the casting surface, initial feeder design and feeder shape optimization using Efoundry till the hotspot is obtained in the feeder itself. The same part is then experimentally poured and verified with cut-section. It is observed from actual pouring that shrinkage cavity had shifted towards the feeder whereas it remained at the centre of the junction in the non-feeder part. It is concluded at the end that the selection of proper feeder affects the quality of casting during solidification.
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Abstract:
Fabrication of Double Cone Blender is an major operation carried in various industries as the Double Cone Blender is an efficient & versatile machine for mixing dry powder and granules homogeneously for Pharmaceutical, Ayurvedic, Food, Chemical and Cosmetic products etc.Thus the fabrication process of Double Cone Blender has been acknowledged dealing all the parameters regarding the all the parameters in this modern world. And a case study has been done regarding the role of Double Cone Blender in our modern industries for blending which is an easy subject for the homogeneous mixing of components
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Abstract:
A well-prepared abstract enables the reader to identify the basic content of a document quickly and accurately, to determine its relevance to their interests, and thus to decide whether to read the document in its entirety.The Abstract should be informative and completely self-explanatory, provide a clear statement of the problem, the proposed approach or solution, and point out major findings and conclusions. The Abstract should be 100 to 200 words in length. The abstract should be written in the past tense. Standard nomenclature should be used and abbreviations should be avoided. No literature should be cited.The keyword list provides the opportunity to add keywords, used by the indexing and abstracting services, in addition to those already present in the title. Judicious use of keywords may increase the ease with which interested parties can locate our article (9 pt).
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Abstract:
Objective of the present study was to carry out detail experimentation and then analyze solar cabinet dryer. The loading capacity of the dryer was about 2kg of fresh product per batch. The dryer is of both natural and force mode type based solar cabinet dryer. The experiments were carried on both natural and force mode by using chili as the raw product. Various readings related to temperature and humidity at the desired points were measured with the help of thermocouples and hygrometer respectively, also air flow rate and solar intensity were measured with the help of anemometer and pyrometer. These experiments were carried in ITER, SOA UNIV Bhubaneswar (India), in this various parameters related to solar dryer was not only calculated but also natural and force mode was compared in terms of drying rate. The data are presented in terms of tables and graphs. It was found that the drying of chili in natural mode would take around 50-56 hrs and drying in force mode will take about 10-21 hrs depending on whether we are using heater as an external source of heat or not. It will take around 105 hrs in open drying of chili. The chili was reduced from the initial moisture content of 86.5(wb) to 7.3(wb).[23-24]Further, the dryer was modified by implanting evacuated tube above the black plate collector incorporating with PCM( Paraffin Wax) as the heat storage medium behind the black plate. This in turn has increased the performance of the dryer. After that, an oil was filled in the annular space between the copper and the glass tube by mixing it with carbon graduals. The mixture was a semi solid type of slug which acts as a conducting medium between glass and copper tube. The performance of the dryer was seen to be increased surprisingly. Design and various parameters have been discussed here for clear in-depth of the topic. [25]
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Abstract:
Nanofluids are engineered colloids, which find a wide range of applications because of their enhancedheat transfer capacity. The nanoparticles, homogeneously dispersed in the base fluid (water in our case) inctrease the effective thermophysical properties. Nanofluids find a wide range of allicatiosns in biomedicines, industries, nuclear reactor cooling, and heat exchangers. In this paper, ceramic nanofluids are used for the enhancement of the heat carrying capacity of base fluid. The thermal behaviour of the nanofluids is derived using the available Nusselt number from the literature.Heat transfer is calculated using practical Nusselt number range. The present work aid in the flow characterization of nanofluids for different geometric specification of flat plate solar collector and solar ducts.
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Abstract:
Flat plate solar collector isan emerging category of solar power technology that intensifies on the solar collector performance. This performance is influenced by design parameter, operational parameter, meteorological parameter and the environmental parameter. In context to design parameter, collector tilt, incident solar flux, fluid inlet temperatures,absorber plate and the first cover are major factors directly relatedto the collector performance. Hence the present work deals with the analytical investigation of collector performance based on these factors using MATLAB2007a for various places in India.All these parameters are considered as function of efficiency. Moreover, increase in tilt angle, transmittivity, absorbtivity and solar intensity increases the efficiency of flat plate solar collector that additionally provides higher heat removal factor.
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Abstract:
The demand for energy is ever increasing. With the depletion of non-renewable energy resources, a gradual shift towards the utilization of renewable is required. Hence, in the present work, we have studied flat-plate solar collector, for harnessing solar energy, for application like domestic usage, pool heating and inductrial applications. Different riser configuartions is viewed as a part of the current research, and the thermohydraulic performance is compared computationally.
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Abstract:
Duringthepast fewdecades,theconcept ofrefrigerantmixturefluidsisattracting moreresearchersinthe industrial applicationfor coolingequipment’s.Theconcept ofmixedrefrigeranthasbecomemoreeffective whilecomparedto thebasefluids.Itismainlyusedinindustrialaswellasdomesticrefrigerants,airconditioningsystems,heatexchangers andmanymore.Inthepresentstudy, tostudythethermophysicalpropertiessuchasdensityandviscosityisusedto analyzevariouspropertiesbyconsidering 10gms ofrefrigerantmixturesuch aspropaneand ISO-butaneatdifferent compositions.Resultsare presentedforsimulations carriedoutatdifferentmassratiocompositionsvaryingwith respectto atemperaturerangeof300-350K andit isevaluatedthatvariationeffectofpressures atdifferent compositions ofarefrigerantmixture.Itisconcluded fromtheresultsthatasthetemperatureincreases,density of mixedrefrigerantincreases.Similarly, viscosityincreaseswithanincreasein temperaturefora mixed refrigerantat different compositions. Moreover,asthepressureincreases from3MPato 7MPaboth densityandviscosityincreased by 4.15%and 12.63%respectivelywhiletemperaturewask
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Abstract:
Theconceptofmixedrefrigerantfluidshasemergedduringthepastfewdecadesfrom16thcenturyduetoitssuperior thermo physical propertiesas compared tobasefluids.Itisprimarilyused ascoolantsinheattransferequipmentsuch asheatexchangers,electroniccoolingsystemandradiators.Inthepresentinvestigation,analyze thethermo physical properties,variousparametersbyconsidering10gmsof mixedrefrigerant of propaneandISO-butaneatdifferent compositions.Resultsarepresentedforsimulationscarried outatatemperaturerange of 300- 350Kandapressure rangeof3MPato7MPa.It isconcludedfromtheresultsthatasthetemperatureincreases,specificheat ofmixed refrigerantdecreases.Similarly,thermal conductivityincreasewithan increaseintemperature foramixed refrigerant atdifferentcompositions. Further,asthepressureisvariedfrom3MPato7MPawhilekeepingthetemperature constant at350K,thespecificheatdecreaseby 5.2%aswell as thermal conductivityfollowsthe oppositetrendandis increasedby 6.9%.
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Abstract:
A variety of polycentric prosthetic knee joints have been manufactured globally over the past decade and there has been ambiguity over prescription criteria, design parameters, kinematic performance of its various designs and counterparts. This article presents technical developments in analysis performed on polycentric prosthetic knee joint in the rehabilitation of trans-femoral amputees. A review has been made on polycentric knee models used in developed and developing countries with respect to design, modelling, kinematic, finite element analysis (FEA), and optmisation technique. The results reveal important research work to develop and implement standardized measures on prosthetic knee joints for their effective use, function, durability, and cost effectiveness. There is continuous progress to address limitations. However, more research is still required for developing more functional prosthetic knee joints by simplifying fabrication techniques. A computer aided modelling, design and analysis is used as an effective tool to optimize and validate prosthetic component design including its quality, performance, safety.
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Abstract:
the purpose of designing of this four wheeled all terrine vehicle for the transportation in hilly areas, farming fields and. It is designed for off-road uses and for endurance of rough hilly areas. The skeleton of the off road vehicle is called roll cage. The total load of the vehicle acting over the roll cage only. The design fully depends upon the material selection, frame design, cross section determination, and strength & analysis report. We studied all the parts of the roll cage to analyse the efficiency. We used high end software’s like solid works & action for roll cage designing purpose & ANSYS for analysis. We made different type of designs of an ATV & analyse the deformations occurred
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Abstract:
Aluminum Metal Matrix composites is a moderately alluring material for vehicle, aviation and other designing application because of its mechanical and tribological properties. To enhance wear protection and mechanical properties has prompted outline and choice of fresher variations of the composite. The present examination manage the investigation of wear conduct of Al6062-SiC-flyash MMCs for shifting fortification substance, connected load, sliding rate, and separation. Aluminum MMCs fortified with three diverse level of support 3, 6, 9% wt. SiC and 0.5, 0.75, 1.00% wt. flyash arranged by mix throwing strategy. Wear test was performed by utilizing "stick on circle" mechanical assembly. An arrangement of analysis in view of L27 Taguchi orthogonal cluster is utilized to obtain the wear information. An examination of fluctuation is utilized to explore the impact of four controlling p sliding separation on dry sliding wear of the composites. It is watched that SiC content, sliding velocity and typical load essentially influence the dry sliding wear. The ideal combina least wear. The microstructure investigation of worn surface demonstrates nature of wear to be for the most part grating.
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Abstract:
The usage of solar energy heating systems increased greatly during the last decade. Need to make a setup which acquires much of the Sun’s radiation as per the output requirement. More than one hundred years ago, black painted water tanks were used as simple solar water heaters in a number of countries. As the development takes place total setup gets advanced. Our main objective is to keep the system in such a way that, yields a better result. The major equipment includes collector, heat-exchanger, storage tank, and pumps & pipes.
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Abstract:
The rising cost of building construction materials is the factor of great concern. We all want that our Building must be strong and should build with the construction materials of reasonable rates. The construction industries in India fully based on Cement, Sand and Aggregates for producing concrete goods. This project is experimented to reduce the cost of concrete and also reduce the Environmental pollution by using the waste materials. In this project an experimental study is made on the usage of cockle shell Powder as cement, E-waste as fine Aggregate and cockle shells as coarse Aggregate in concrete with a percentage replacement ranging from 0% to 15% ( i.e. 0%,5%,10% and 15%) on the strength criteria of M25 Concrete. The coarse aggregate, fine aggregate, cement tests were conducted to evolute the engineering properties of the materials.In present study, compressive strength of concrete was evoluted. Results shows that partial replacement of these waste materials,able to produce workable concrete with satisfactory strength.The Strength obtained from Concrete with partial replacement of cockle shell powder, E- waste and cockle shells is compared with the conventional concrete, thus 5%,10% replacement of these materials were recommended for conventional concrete to increase the strength of concrete
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Abstract:
Biodiesel in present trend is important due to depletion of non-renewable resources. The shortage of fossil fuels brings usage of bio diesel into limelight. Therefore usage of bio diesel is preferred than usage of conventional diesel as the properties of both are almost same. A lot of research has undergone on bio diesel and doesn’t show any significant variation in emissions compared to conventional diesel. Due to high emissions of harmful gases global warming increases which is not preferable. In this paper Flax seed is used for bio diesel preparation which is abundantly available in mountainous areas and cooler regions. Flax seed commonly known as lin seed has binomial name Linum usitatissium. In this process the oil is transesterified using methanol to produce methyl esters in presence of base catalyst. Methanol is mixed with flax seed oil in the ratio 1:5 and 0.5 to 5% base catalyst is added. This mixture is constantly stirred at 55ᵒC. Due to high viscosity it is difficult for biodiesel to mix with air in the combustion chamber and results in increase of emissions . As the fuel injection is advanced by change in crank angle up to certain extent in a VCR engine, the time available for mixing fuel with air is increased ensuring increased mixing of fuel with air, and By increasing the compression ratio the pressure in combustion chamber increases which helps high viscous fuel to mix completely, due to high temperature because of the high pressure in the combustion chamber the combustion characteristics of charge increased results in lowering the engine emissions. The above tests were conducted using conventional diesel, and different proportions of blends of bio diesel and results were compared by varying crank angle and compression ratios.
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Abstract:
The objective of this paper is toSuperior mechanical properties of composite materials such as high stiffness and strength to weight ratios, corrosive resistance and low coefficients of thermal expansion, caused it to be used increasingly in many areas of technology including marine, aerospace, automotive and others. To take advantage of full potential of composite materials, accurate models and design methods are required the most common structural elements are plates and shells. Laminated composites are one of the classifications of the composites which are used in structural elements like leaf springs, automobile drive shafts, and gears, and axles.An accurate understanding of their structural behaviour is required, such as the deflections, the through thickness distributions of stresses and strains, the large deflection behaviour and, of extreme importance for obtaining strong, reliable multi-layered structures. In general, the fibres in the composite materials can be of unidirectional and bidirectional. Here the focus is on unidirectional fibre composite materials. The fibres can be oriented in many ways i.e., 0, 10, 20,30,45,90 degrees etc., but the strength in each type will be different. Using the load-deflection graphs, the maximum load and flexural strength are calculated. The attention is to note the variation of flexural strength of a composite material with the variation of fibre orientation and comparing the results with practical results. Here the modelling of composite material with different fibre orientations is done in Ansys software and simulation is done on them and those results are compared with practical results.
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Abstract:
In present scenario, the design of Aircraft became challenging due to problem that are encountered in engineering practice. Different analysesare done in the past to develop a better Aircraft. However, there are many parameters that influences the Aircraft design are drag, lift, static and dynamic pressures, winglets design, angle of attack, vortex developed, gravity and angle of flight. In this context, an aircraft wing is developed by changing the material for finding better material suitable. The 3D model of NACA 4412 profile is designed in CATIA V5 and exported to commercial Ansys 14.5 Software. By applying the boundary conditions similar to the working environment the analysis is carried. The structural analysis of aircraft wing made of materials such as AA7075 and a composite GLARE (glass-reinforced aluminum laminate) is done under steady inertia loading. Modal analysis also done for defining the natural frequency and mode shape of continuous structures. Further, by varying the angle of attack (AOA) from 00 to 80 for an inlet velocity of 10m/s the static and dynamic pressure of aerofoil and pressure coefficients are determined by using Computational Fluid Dynamics (CFD). The pressure based steady state solver with K-Ɛ turbulence scheme is used for determining the pressures and their coefficients. The results of the analysis are stated in the literature
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Abstract:
In urban communities of India one of the real medium of transportation is auto rickshaws, which is delivering a colossal measure of air contamination and also nursery gasses like CO2. Fuel, which is utilized is a non-inexhaustible source and furthermore which costs, one of the front runners within the vicinity of renewable energy resources nowadays is sun strength,a solid source like sun oriented vitality which is accessible in bounty in a nation like India. Received SOLAR ENERGY as the extra sources notwithstanding the regular IC Motors. Utilizing the Photovoltaic panels, controllers, and brushless DC motor setup to change over the light, as an electric vitality which is sustained to the DC engine to acquire mechanical movement. The mechanical movement was exchanged to the wheels through the propeller shaft which prompts cheap and powerful transmission. The paper represents how the charge produced by a variety of sun-powered boards are gotten and its stream all through a battery pack is to be controlled utilizing a microcontroller based charge controller to guarantee effective putting away of charge in a battery pack. The putaway vitality would be unveiled to a DC engine which would run the auto. The design of an engine controller to control the auto's speed and forward/turn around bearing of movement appears. The mechanical development from scratch of the chassis along with all crucial mechanical frameworks of Shauridut solar car is illustrated
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Abstract:
Degrading fossil fuel resources have thrown world into chaos, besides air pollution and green house gases are a major concern. The fossil fuel shortage in near future is inevitable. This situation triggered the awareness to find alternative and sustainable energy resources. Biodiesel is a better solution as its properties are close to petrodeisel. In this paper, Biodiesel is produced from Calophyllum inophyllum oil by two stage transesterification process using acid and base catalysts. Acid esterification is done by mixing 1%(by wt. of oil)of 99% pure anhydrous sulphuric acid in 1000 ml of oil with oil to methanol ratio 6:1 and maintained at a temperature of 55ᵒ C for 120 minutes. This reduces the acid value of the oil. Now the oil is subjected to base catalyst. 1% of KOH(by wt.of oil) is added to a mixture of oil to methanol ratio4:1. The mixture is stirred for two hours at 60ᵒ C. The yield is about 89%. Due to high viscosity it is difficult for regular engines to inject biodiesel into combustion chamber. This results in improper mixing of fuel and reduces ignition quality. In this paper the fuel injection pressure has been increased and compression ratio has been varied and tested under different operating conditions. The increase in injection pressure resulted in better atomization of fuel and better mixing with the air in combustion chamber. The increase in compression ratio resulted in higher compression pressure which ensures complete combustion of fuel in the chamber. These modifications results in reduction of emissions and smoke up to about 10% compared to normal engines running on biodiesel.
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Abstract:
From the last two decades there is a rapid increase in utilisation of Aluminium Alloy, particularly in Automobile, Aerospace industries, due to its low density, low weight and high strength. Aluminium metal matrix composite has received extensive attention for practical as well as fundamental reasons. Aluminium Alloy & Aluminium based metal matrix composites (MMC) have found many applications in the manufacturing of various components. The present work is focused on Fabrication & Investigation of Mechanical properties of Al6061, Graphite, Fly ash metal matrix composite. These materials are identified in the process of making high strength Aluminium Alloy. Stir casting process is employed for the fabrication of metal matrix composite. In our project the composition of MMC is varied for graphite (3%, 6%) & fly ash (6%, 3%) by keeping 91% by Al 6061. Fabricated samples are tested for Mechanical properties. The Tests includes Tensile test, Hardness test, and Wear test as per ASTM standards. Microstructures of the samples were tested by using metallurgical microscope & compare the microstructure for each.
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Abstract:
In present scenario, the use of Supercritical fluids are increased enormously due to their desired thermophysical properties such as higher density with lower viscosity. The need of Supercritical Carbon dioxide (SCCO2) in cryocoolers to be used in Natural Circulation cryogenic refrigeration system is still need to be studied to determine the heat transfer rate for designing better cryocooler. The heat transfer rate depends on thermophysical properties of SCCO2. Hence, it is necessary to predict the temperature dependent thermophysical properties of SCCO2 such as Thermal conductivity, viscosity, density and specific heat. In this context, study is carried out with a wide temperature ranges from 305K to 350K and pressure ranges from 75 bar to 100 bar with a raise in 5K temperature and 5 bar pressure. The heat transfer rate is predicted by analyzing the natural circulation loop modeled and analyzed in commercial software above to critical operating pressure and temperature of SCCO2. Boundary conditions are imposed on the model to compatible with the real time application. From the investigation it is concluded that SCCO2 is having better properties than carbon dioxide and the heat transfer rate is also enhanced. Hence, the use of SCCO2in cryocooler of cryogenic refrigeration system is better compared to CO2.
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Abstract:
The Steel Melt Shop (SMS) of Visakhapatnam steel plant is one of the core departments. The steel plant’s productivity is entirely dependent on the performance of the steel melt shop. The hot metal from ‘Blast Furnace’ is converted into semi-finished product (Blooms) in the ‘Tundish Machines’. For proper solidification, water is sprinkled over the liquid steel through the mould. This process generates steam which has to be exhausted to the atmosphere using steam exhauster
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Abstract:
In the present scenario of automobile sector, auto rickshaws (3-wheelers) are the most sought after public transport among the urban and rural poor in India. Majority of people depend on these vehicles after public transport systems like Road Transport Corporation. Among these 3-wheelers, 7-seaters are the most popular and a lot of developments are seen in the past few years. MLR Motors Pvt Ltd, Hyderabad is a 3- wheeler manufacturer which is trying to mark its presence in the market. “TEJA” The vehicle manufactured by the company has a seating capacity of seven persons including the driver. The vehicle has a worm and roller type steering gear mechanism unlike other conventional auto rickshaws fitted with handle bars. Manufacturing of an auto rickshaw involves assemblies of several major components. L-Angle of the auto rickshaw is one such major component. It connects the floor and front panel and plays a vital role in design and development of the vehicle
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Abstract:
Devices with feature size on the order of one micrometer have found wide spread applications in science and engineering. MEMS, is a rapidly growing technology for the fabrication of miniature devices which provides a way to integrate mechanical, fluidic, optical, and electronic functionality on very small devices, ranging from 0.1 microns to one millimeter. Recently, it has been proposed that regular patterns can be generated through the mechanical buckling of a thin film. The process of buckling of thin compressed films deposited on polymethylmethacrylate (PMMA) Vs Structral Steel compared under mechanical and thermal loadings has been investigated utilizing an optical microscope. Particularly, thermal cycling analysis on thin film/substrate system under compression has been characterized to discuss the thermal property of PMMA and Structral substrate validate through Therotical Calculations.
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Abstract:
The place , where the estimation of gravity remain lower than earths claim gravitational coefficient, at that place the current suspension framework neglects to want comes about as the sum and method of stun retaining changes. To counter repulsive force effect, NASA and stream drive research center have together built up a suspension framework called the rocker bogie suspension framework. It is fundamentally a suspension game plan utilized as a part of mechanical automated vehicles utilized particularly for space investigation. The rocker bogie suspension framework is based wanderer has been effectively presented for the blemishes pathfinder and Mars Exploration Rover (MER) and Mars Science Laboratory (MSL) missions directed by summit space investigation organizations all through the world. The proposed suspension framework is right now the most support plan for each space investigation organization enjoys the matter of room inquire about. The rationale of this task start is to comprehend mechanical outline and favorable circumstances of Rocker bogie suspension framework keeping in mind the end goal to discover reasonableness to actualize it in regular stacking vehicles to improve their proficiency and furthermore to chop down the upkeep related costs of traditional suspension framework.
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Abstract:
Layout planning is nothing but deciding on the best physical arrangement of all resources that consume space within a facility. The arrangement of resources in a facility can significantly affect the productivity of a business. Layout planning has prime importance in industry. In this paper, a 3 X 3 unequal areas of machine layout considered [1]. Material handling cost of existing layout is calculated. To reduce the material handling cost the design layout is optimized using the computerized relative allocation of facilities technique (CRAFT).
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Abstract:
River sand is the most commonly used Fine Aggregate for construction throughout India. Excessive use of river sand leads to lowering of ground water table, sand degradation and also threat to bridges, river banks and nearby structures and in the same way Cement is a major constituent material of the concrete which produced by natural raw material like lime and silica. Ordinary Portland cement is one of the main ingredients used for the production of cement mortar. But, the production of each tonne of cement involves emission of large amounts of carbon-dioxide gas into the atmosphere, a major contributor for greenhouse effect and global warming. To overcome the above backdrops, we have to go for alternatives for satisfying the requirements. The Research focused on comparing the compressive strength of cement mortar cubes produced using fine aggregates from different sources. This project involves, preparation of cement mortar cubes of CM(1:2) proportion and also cement is replaced with 25% of Fly ash and 50% of GGBS for different grades of cement (33,43 and 53) at Constant water cement ratio and tested to determine the compressive strength of cement mortar cubes for 7, 14, 28 and 54 days under normal curing conditions. Finally, preparation of graphs from obtained results for comparative analysis
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Abstract:
The Steam turbine blades are subjected to in-plane load because of fluid or aerodynamic pressures so the blades are subjected to high dynamic loadings. It is necessary to do vibration analysis to know the dynamic characteristics of the material as they are working at high speeds. The X20cr13 steel material R31 turbine blades are used in 7.5MW BBC as turbine rotor in power plants. Flow of the super heated steam in steam turbines causes failure of blades due to high temperature working condition, high rotational speeds and corrosion of blade due to the purity of steam
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Abstract:
In the engineering industry Metal cutting process forms the basis and is involved indirectly or directly in the manufacture of every product of our modern civilization. The study of metal cutting is very important and knowledge in the fundamentals of machining of materials is essential. Theory of metal cutting will help to develop a scientific approach in solving problems encountered in machining
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Abstract:
Now-a-days the accidents in the coal mine industries have increased. Even if any explosion occurs it can’t be easily known to the worker and it may cause accidents. So in order to avoid this, a robot has been designed and this robot is allowed to monitor the ambient situations inside the coal mine industry. Some of the environmental parameters such as methane leakage, temperature, oxygen are sensed by using the high end sensors and the sensed data are transmitted for monitoring the status of the coal mine and to control the robot movemen
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Abstract:
The present research deals with Finite Element Method (FEM) based stress and failure analyses of different types of adhesive bonded tubular joint configurations, viz. Tubular Single Lap Joint (TSLJ) and Tubular Socket Joints (TSJ). The bonded joints have been made with laminated FRP composites and have been subjected to different loading conditions viz. circumferential, axial, and torsion. Suitable APDL codes have been developed using ANSYS 14.0 which is capable of capturing the stresses three dimensionally within the joint region. The developed FE model has been validated with respect to analytical results available in literature and found to be in good agreement. Three-dimensional stresses within the joint and different adherend-adhesive interfaces which in turn play key roles in initiating the failures have been studied in details. Locations prone to adhesion and cohesion failures in the overlap or coupling regions have been identified using Tsai-Wü and Parabolic yield criteria based failure indices. Suitable joint parameters and ply-orientations for the laminated FRP composite joints have been suggested in order to improve the performance and resistance of the bonded tubular structures against failures.
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Abstract:
The objective of this paper is to exhibit the attractive features of the joint through friction stir welding (FSW), a solid state joining technique, extensively used for joining Aluminum alloys. FSW is used to fabricate products with superior mechanical properties. Presently, aluminum alloys have been widely used in engineering applications such as aerospace and automobile owing to their light weight, superior mechanical properties and high oxidization resistance. In this work, two process parameters such as spindle speed and welding speed are considered for friction stir welding. The optimum level setting and the major parameters that influence the strength are obtained through Taguchi techniques. Several tests like Liquid penetration, hardness, surface roughness and three-point bend test have been performed to evaluate the properties of the weld joint.
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Abstract:
CNC is a machine controlled by a computer with command data code numbers, letters and symbols in accordance to conventional ISO. Computer Numerical Control machine tool systems work similar then the CNC machine tools more accurate, more precise, more flexible and appropriate for the manufacturing. This project describes a programming of letters by CNC milling machine. This project applied working standards of CNC milling device, in which it can flow in 3 axes in particular X, Y and Z. We design to assist engrave the letters of BITS which requires a excessive degree of complexity and might reduce operator intervention throughout machine process. For this project, Master CAM software was used to generate the G & M-codes for milling cutting. Master cam Mill is the next generation popular program, delivering the most comprehensive milling package with powerful new tool paths and techniques. This paper highlights the CNC G-Code Text Engraving on an aluminum work piece.
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Abstract:
In an attempt to improve the accuracy and efficiency according to the requirement. No work is done in proper designing of special manual machine press machine, these days, rather rule of thumb prevails. To keep pace with company demands improvement in the design of the manual press is needed. So I worked to improve the designing of the machine for getting the best results by designing the balls of cast iron that provides appropriate pressure to stop fluctuation in size of components. The specific dimensions of the press machine are as Improvement in design of the manual small press machine for sheet metal job under 900mm2 areas X 1mm thickness in stainless steel grade 304. Though in extreme case it can work even on 2.0 mm thick stainless steel of specified area, without any problem.
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Abstract:
In Present days, leakage power dissipation has become most dominant factor in low power VLSI designs, depends on moores law. When we want to decrease the threshold voltage which makes to increasing in subthreshold leakage current, so that leakage power dissipation becomes very high. According to International Technology Roadmap for Semiconductors (ITRS), total power dissipation which is effected by leakage power dissipation [1]. Due to the leakage power dissipation, All the electronic gadjects which are operated on the battery should drained fast, When the battery is in standby mode. In nano technology based devices, leakage power dissipation plays a major role. In this paper we present past different design approaches to reduce leakage power dissipation along with the proposed LECTOR (lekage control transistors) approach, which is an effective model to reduce leakge power dissipation. It is verified by the present literature to leakage power minimization approach for a specific application can be effectively carried by a VLSI circuit designer based on sequential analytical approach.
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Abstract:
The PV system performance generally pivots on the location secondly on type of Photo voltaic modules used. IbrahimpatnamTelangana receives an annual average solar radiation of about 5 31 kWh/m2/day which can be used to maximum extent by proper designing of the plant and placing the Photvoltaic modules at proper location. In this work grid connected 100kWp PV system which is installed on rooftop of an educational institution at Ibrahimpatnam Hyderabad India is designed and simulated by software with measured data of the plant location. The energy generated by the PV system over 10 months was analyzed and compared with the actual data.
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Abstract:
This paper proposes performance based macro modeling of operational transconductance amplifier (OTA) using artificial neural network (ANN). ANN models the analog circuits and provides a relation between input and output parameters. In this work, OTA output parameters such as gain and common mode rejection ratio (CMRR) are modeled as a test circuit which is designed in Cadence Virtuoso on UMC 180 nm technology. The width of the transistors are taken as the input parameters of the ANN. From the SPICE simulation results, the feasible dataset has been extracted from the complete dataset. The final results show that accurate neural models are generated successfully
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Abstract:
Nowadays the aim of VLSI and Embedded industry is to produce low power, high speed processing with maximum accuracy. With application of VLSI in Robotics and automation will help it to become faster and accurately controlled. It will consume less power also. So it is necessary to develop more and more embedded algorithms to be applied in robotic automation. This work shows a idea of mobile car using rapid prototyping, distributing the several control actions in growing levels of complexity and computing proposal oriented to embed systems implementation. This idea can be implemented on different platform representing the mobile robots using reprogrammable logic components (FPGA). This mobile robot will detect obstacle and also be able to control the speed. Different modules will be Actuators, Sensors. All this modules will be interfaced using FPGA controller.
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Abstract:
In this paper design of a low-profile frequency reconfigurable metasurface (FRMS) antenna has been proposed. The proposed FRMS antenna consists of a simple rectangular patch antenna (source antenna) having circular ground plane of radius 20 mm and a circular metasurfaceof same radius. The metasurface is palced directly over the patch to make the FRMS antenna very compact with a total thickness of 3.048 mm. The metasurface consists of rectangular loop unit cells arranged uniformly along the vertical and horizontal directions. Simulation result shows that the antenna can be tuned by rotating the metasurface around the center of the patch antenna. Rotation of metasurface results a change in relative permittivity and relative permeability of the structure and the resonant frequency of the FRMS antenna. The proposed antenna has been designed on Ticonic RF-35 substrate with a dielectric constant of 3.5 and thickness of 1.524 mm. The antenna parameters like gain, return loss, radiation pattern and efficiency are analysed using HFSS. The proposed antenna resonantsfrom 4.5to 6 GHz. The antenna is suitable for various wireless communicationapplications such as WLAN band (5.180- 5.825 GHz), ISM band (5.725-5.875 GHz) and so on.
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Abstract:
The main problem is about railway track crack detection at the earliest to avoid accidents. Therefore it is essential that such problems must be communicated immediately to the concerned authorities by using GSM technology for appropriate action. This project uses a microcontroller family. The primary objective of this paper is to detect the crack in the railway track and alert the nearby station through effective and highly reliable communication mode. To demonstrate this paper, two rails forming the part of the track are made using a pair of wire which is wired with a detachable jumper in between each wire/track. Removing the detachable jumper creates a fault in the respective track; otherwise it is generally shorted by the jumper wire to simulate healthy track condition.
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Abstract:
Nowadays, bridgeless circuits are gaining more popularity due to less harmonic distortion of current in the input due to absence of input diode bridge circuit. A SEPIC PFC converter is capable of operating in both step-up and step-down mode. In this paper modelling of a bridgeless SEPIC PFC converter operating in Continuous Conduction Mode with single switch using State SSA technique is presented. In the proposed converter due to presence of complex poles and zeros which makes the system unstable and leads to difficult design of stable control. The paper also shows the modified circuit and their modelling using suitable damping network for the achievement of stability. Simulation results are presented to verify the accuracy of the model
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Abstract:
Heat transfer is one of the most important processes in many industries. Base heat transfer fluid like water normally is having low thermal conductivity. Since thermal conductivity is considered as important factor for rapid cooling and heating application, advanced heat transfer fluid called nano fluid is introduced. Nano particle is low concentration cooling agent which uniformly scattered in nano fluid Suspensions of Nano particles shows better enhancement of stability, heat transfer capabilities and reduction of particle clogging. All researchers tried to increase the heat transfer rate by controlling the parameters like shape, size, clustering, collision, porous layer, melting point of nanoparticle. Previously we were using only refrigerant as working fluid in heat exchanger for cooling purpose. The presence of fluorine and chlorine make the refrigerant non toxic. Hence the whole world attracted towards the Nano fluid. Finally this project is to be carried out through Concentric Double pipe Heat Exchanger with base fluid water and nano particles like MnO2. Study is made to ascertain the effect of Nano fluids in enhancing the effectiveness of heat exchanger by varying the concentration of nano fluids.
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Abstract:
The Distributed MEMS Transmission Line (DMTL) parameters are found using EM optimization technique presently. In this paper we propose an efficient approach based on Neural Network (NN) for extraction of parameter values of DMTL. This method takes less computational resource. The values extracted from the neural network model are compared with available results
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Abstract:
Content-addressable memory (CAM) employing a new algorithm for associativity between the input tag and the corresponding address of the output data. The proposed architecture is based on a recently developed sparse clustered network using binary connections that on-average eliminates most of the parallel comparisons per- formed during a search. Given an input tag, the proposed architecture computes a few possibilities for the location of the matched tag and performs the comparisons on them to locate a single valid match.Bloom filters (BFs) provide a fast and efficient way to check whether a given element belongs to a set. Reliability is becoming a challenge for advanced electronic circuits as the number of errors due to manufacturing variations, radiation, and reduced noise margins increase as technology scales. In this brief, it is shown that BFs can be used to detect and correct errors in their associated data set. This allows a synergetic reuse of existing BFs to also detect and correct errors. The proposed scheme Content-addressable memory (CAM) is a special type of computer memory used in certain very-high-speed searching applications. It is also known as associative memory, associative storage, or associative array, although the last term is more often used for a programming data structure. It compares input search data (tag) against a table of stored data, and returns the address of matching data (or in the case of associative memory, the matching data). Several custom computers, like the Goodyear STARAN, were built to implement CAM, and were designated associative computers.
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Abstract:
This paper proposes a new optimization algorithm which is based on the law of gravity and mass interactions called Gravitational Search Algorithm (GSA) for optimal design of power system stabilizers (PSS). The parameters of the proposed GSA based PSS (GSAPSS) are formulated as amulti objective optimization problem and optimized in order to damp all the unstable electromechanical modes of the system and to shift them to the left in S-plane. The performance of the proposed GSAPSS is tested on the WSCC 3-machine, 9-bus power system under different operating conditions and system configurations. The test results are compared with conventional PSS (CPSS) and Genetic Algorithm based PSS (GAPSS) to validate the efficacy and superiority of the proposed approach
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Abstract:
CORDIC is an acronym for Coordinate Rotation Digital Computer. The CORDIC calculation is a dull figuring approach capacity of developing distinctive essential capacities with an appropriate move and-add technique Used to assess a lot of capacities. It has been utilized for a long time for proficient usage of vector revolution operations in equipment. It is executed simply by table look-into, move, and expansion operations. Revolution of vectors through settled and known points has numerous applications in livelinesss, applies autonomy, amusements, PC illustrations and advanced flag preparing. In this paper we display upgraded strategy for moving by using a substitute arrangement by extending the no. of barrel shifters with growing pre moving methodology and Fault Tolerance in Bi Rotational CORDIC circuits higher rate of precision in settled and known turns. The adjustment in the settled point Rotation lessening the district and Complexity in the application. From the basic building of cordic a settled point rotate is executed by vector turn. the upheaval of vectors uncontrolled by the circuit till all turns are done it will occurs significant system get and whimsical plots for convincing operation of known edges in this paper edge update ,Quadrant change and get correction is executed.
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Abstract:
The selective application of technological and related procedural safeguards is an important responsibility of every Federal organization in giving sufficient security to its electronic data systems. This publication explains a cryptographic algorithm, the Advanced Encryption Standard (AES) which can be utilized by Federal organization systems to save sensitive information. Safety of data during transmission or while in storage may be compulsory to keep up the confidentiality and integrity of the information provide by the data.
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Abstract:
This paperBrought together Power Quality Conditioner (UPQC) is anarrangement parallel component in the Flexible AC Transmission System (Actualities) family. In this paper, an UPQC with fell multilevel inverter is proposed. Voltage droop, unbalance and stack control factor in conveyance framework is moderated utilizing proposed multilevel UPQC. There is no need of utilizing transformer and channel when multilevel UPQC is connected and it is one of its focal points. SPWM (Sinusoidal Natural Pulse Width Modulation) plot is utilized for beat age to control multilevel inverters. The outcomes demonstrated the adequacy of the proposed strategy.
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Abstract:
Addition is a fundamental operation for any digital system, digital signal processing or control system. A fast and accurate operation of a digital system is greatly influenced by the performance of the resident adders.Adders are also very important component in digital systems because of their extensive use in other basic digital operations such as subtraction, multiplication and division. Hence, improving performance of the digital adder would greatly advance the execution of binary operations inside a circuit compromised of such blocks. The performance of a digital circuit block is gauged by analysingits power dissipation, layout area and its operating speed. As a result, the need for faster and efficient Adders in computers has been a topic of interest over decades.
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Abstract:
This paper presents a fuzzy logic based approach to determine suitable nodes in a radial distribution system for capacitor placement and genetic algorithms for sizing the capacitors. Voltages and power loss indices of Radial Distribution System (RDS) are modeled by fuzzy membership functions. A Fuzzy Inference System (FIS) containing a set of rules is used to determine the capacitor placement suitability (CPS) of each node in the Radial Distribution System. Capacitors are placed on the nodes with the highest suitability. The installation of power capacitors in RDS improves voltage profile and reduces the real power losses. The capacitor sizing is done using genetic algorithms (GA) for improving the annual cost savings of Radial Distribution System.
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Abstract:
In the recent trends of power systems, with the wide utilization of electric power. It is quite an easy way for occurring of any fault or disturbance, which causes a high short circuit current to flow. Due to the increase in the power generation results in the increase in overall system fault current levels. Due to these faults, high currents are developed which enlarges the mechanical forces and causes overheating. For equipments of large rating in the power system then they require a more protection scheme against severe fault conditions. Generally, maintenance of equipment is oftenly done for the sake reliability. Faults can be avoided but cannot be eliminated, the only solution is to minimize the fault current levels. Therefore, a fuzzy based Super Conducting Fault Current Limiter is the best electric equipment which can be used to reduce the severe fault current levels. In our paper, we simulated the unsymmetrical faults with fuzzy based logic using superconducting fault current limiter
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Abstract:
Analysis of process capability convinces that processes need to be according to manufacturing industry specification, while reducing the process variation and improving the product quality characteristic. The aim is to verify the performance of the process and also the ability of the machine to achieve within the tolerance limit specified.100 sample shafts were turned on the turning center with subgroup size being ten. The performance needs to be within the control limits and also capable of meeting up to specification. Further, the capability index (Cp) measured in this case is greater than 1. Also, the machine capability (Cpk) for this manufacturing application is also greater than 1, thus making the process capable
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Abstract:
In this paper, another control methodology in light of current mode control for Dynamic Voltage Restorer (DVR) is proposed to relieve the power quality issues in the supply voltage. The DVR is controlled in a roundabout way by controlling the supply current. The reference supply streams are evaluated utilizing the detected load terminal voltages and the dc transport voltage of DVR. The control conspire depends on synchronous reference outline hypothesis (SRFT) for the operation of a capacitor upheld DVR. The control methodology is confirmed through broad reproduction ponders utilizing MATLAB with its Simulink and Power System Blockset (PSB) tool stash to exhibit the made strides execution of DVR.
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Abstract:
IWith the expanding interest for control from the ac line and more stringent breaking points for control quality, control factor rectification has increased awesome consideration as of late. An assortment of circuit topologies and control techniques has been produced for the PFC application. While the intermittent conduction mode (DCM) converters, for example, help and flyback converters are appropriate for low power applications, nonstop conduction mode (CCM) support converters with normal current mode, top current mode or hysteresis control are regularly decided for some medium and high power applications. Consonant contamination and low power factor in control frameworks caused by control converters have been of awesome concern. To conquer these issues a few converter topologies utilizing propelled semiconductor gadgets and control plans have been proposed. This examination is to distinguish a minimal effort, little size, proficient and solid ac to dc converter to meet the information execution file of UPS. The execution of single stage and three stage ac to dc converter alongside different control systems are considered and thought about. This paper introduces a novel ac/dc converter in view of a semi dynamic power factor remedy (PFC) plot. In the proposed circuit, the power factor is enhanced by utilizing support dc to dc converter. It wipes out the utilization of dynamic switch and control circuit for PFC, which brings about lower cost and higher productivity. A Matlab/Simulink based model is created and reenactment comes about are introduced. At last a DC engine stack is connected and reproduction comes about are displayed.
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Abstract:
The dynamic voltage restorer (DVR) is a custom power gadget utilized for voltage remuneration of delicate burdens against voltage aggravations in control dispersion lines. The DVR can manage the heap voltage from the issues, for example, list, swell, and sounds in the supply voltages. Subsequently, it can shield the basic shopper loads from stumbling and ensuing misfortunes. Diverse voltage infusion plans for dynamic voltage restorers (DVRs) are broke down with specific concentrate on another technique used to limit the rating of the voltage source converter (VSC) utilized as a part of DVR. Another control system is proposed to control the capacitor-bolstered DVR. The control of a DVR is exhibited with a lessened rating VSC. The reference stack voltage is evaluated utilizing the unit vectors. The synchronous reference outline hypothesis is utilized for the transformation of voltages from pivoting vectors to the stationary edge. The outcomes are displayed by utilizing Matlab/simulink programming
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Abstract:
Propagation delays are the major delays caused by the digital circuits and in the data flow graphs (DFG). There are many techniques evolved for reducing the propagation delays. One of them is the retiming process. Retiming, the technique that focuses on inter-changing the delay elements in the flow graph without altering the circuit operation, input and outputs. This method mainly concentrate on the add-multiply blocks i.e. Adders and multipliers. Digital filter uses finite precision for representing signals and are differ from analog filter as digital filter as digital filters uses finite precision arithmetic to compute the filter response. In this project, FIR filter is implemented in Xilinx ISE using VERILOG language . VERILOG coding for the FIR filter is implemented in this project and waveforms are observed through simulation.
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Abstract:
The rapid increase in the motorization and urbanization to meet the needs of the people has resulted in increasing the number of vehicles on Indian roads during the past few years. The traffic noise of motor vehicles as main source in urban areas makes up part of general environmental problem which inflicts serious damage to the health of human beings and lowers their working capabilities. In view of the rapid development it is essential to study highway noise with respect to various statistical factors. In the present paper a model for road traffic noise prediction Indian conditions developed using regression analysis based on Calixto model [2]. Data has been collected and analyzed, for the evaluation of equivalent noise level (Leq) in terms of equivalent traffic density number under heterogeneous traffic flow conditions. For continuous study of one year four commercial road networks are selected for monitoring and modeling. A new factor, considering the contribution of two wheelers, three wheelers, light vehicles and heavy vehicles, has been used for evaluating the equivalent traffic density for each class of vehicles, and correlation graphs are plotted between observed and calculated values. From the analysis it is observed that the light motor vehicles are also the main source of noise pollution in the city as it gives significantly higher correlation coefficient values
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Abstract:
The Internet of Things is a paradigm where everyday objects can be equipped with identifying, sensing, networking and processing capabilities that will allow them to communicate with one another and with other devices and services over the internet to provide innovative services in various application domains. In this scenario, there is a need for security and privacy which include confidentiality, authentication, authorization, access control, privacy and trust management among users and things. The document discusses challenges and the solutions in the field of IoT security.
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Abstract:
IoT and social networks collecting large amount of data from the people in different ways. Now it is very important to provide privacy to the generated data before available to the public for survey or research purpose. Data Privacy related research is increasing very hastily during the past 10 years. Even it has many techniques to publish the data without violating the privacy in different areas like social networks, trajectory data etc. However it is a very challenging task to protect privacy in the age of Big Data in IoT Era, because the existing techniques may not be suitable for providing the privacy to the data to be published. This paper provides a survey on several challenges and solutions from the past few years in data privacy. This paper also discusses the research directions in the age of Big Data privacy in IoT Era.
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Abstract:
This paper proposes an original and efficient hybrid snapshot (Checkpoint) protocol on cluster basedmobile distributed system. Preceding, mobile distributed system has acquired massive attention in recent years due to its design and features able to monitor and control applications running on the wireless network efficiently through the fault tolerance methods that offer additionally consistency and reliability to the flow. Further, previous research papers on this distributed paradigm have not considered all the potential overheads incurred, therefore our designed algorithm has made an effort on this which is the fine blend of coordinated and message logging protocols provides failure free operation and simple recovery process on failure. Based on this hybrid mechanism we propose Novel Notion of Hybrid Checkpointing Strategy (NNHCS) that not only improves the performance of the system with increasing availability of mobile hosts (MHs), less interruption to MHs due to single phase coordination but also decreases overheads of coordination message and piggybacking information. As per our knowledge, this is the first algorithm will address issues of cluster communication model based computing system with well integration of mobile agents. The simulation results obtained from MATLAB tool suggests that performance of the proposed prototype is independent of communication and computation overhead with increase of MHs.
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Abstract:
Social recommendation system has become one of the most important applications in different research societies for information recovery which uses machine learning and data mining methods and ecommerce websites like Amazon and Durban. But the systems which are used by them have lot of constraints which are acute in the retrieval process. Since the constraints are crucial in the process, the proposed application should be in line with the all social requirements. We present a new and updated with all new recent developments in the social networks keeping in the mind the graph online regularized user preference learning (GORPL), which integrates both collaborative user-item relationship as well as item content features into a unified preference learning process .In addition we develop OGRPL-FW which applies the Frank-Wolfe algorithm for efficient iterative procedure.
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Abstract:
Presently days a security over web issue is expansions step by step .Existing framework get look time substantial with the entire no of figure writings. That makes recuperation from thorough database irrational. To enhance this issue, this paper propose searchable open key figure writings with inconspicuous structure for watchword investigate as quick as doable lacking yielding semantic security of the encoded catchphrases. In SPCHS, each one catchphrase searchable figure content are arranged by concealed relative, and with the pursuit trapdoor resulting to a watchword, the littlest sum in grouping of the relations is identify with a search for calculation as the supervision to find all comparing figure message proficiently. We manufacture a SPCHS thought from scratch in which the figure content contains a disguised star like structure. We show our framework to be semantically secure in the Random Oracle (RO) model. The inquiry many-sided quality of the proposed plan relied on the genuine no of figure content as opposed to the no of all figure content. Ultimately we exhibit a non specific SPCHS development from unidentified personality based encryption and conflict free full character flexible character based key epitome system with obscurity.
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Abstract:
Predictive simulation is a sophisticated investigative technology, which is employed to support intricate resolutions in the business and organizations. This paper gives an initiative regarding the relative performance evaluation of the proposed new mechanisms for the synchronization of systems facilities and the other machines in multi line, multi stage manufacturing environment. In the intelligent manufacturing environment, these methodologies are mainly to control and to optimize the facilities and the resources available using discrete event simulation process to model, appraise and contrast the process parameters. The performance of Hybrid Independent Extended Kanban Control System (HEKCS) and Hybrid Simultaneous Extended Kanban Control System (HSEKCS) was developed, modeled and compared their advantages and also studied their effect in a typical multi line, multi stage assembly manufacturing system to evaluate the performance parameters like Average Work-in-Process, Production rate and Average Waiting Time for 2880 hrs for both analytical and Simulation studies were performed with exponentially subjecting demands.
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Abstract:
In recent years, advances in Web technology and the proliferation of sensors and mobile devices connected to the Internet have resulted in the generation of immense data sets available on the Web that need to be processed and stored. At present scenario, companies are starting to realize the importance of using more data in order to support the decision for their strategies. Big Data has become a business priority for companies in the globally integrated economy. Big data is a collection of massive and complex data sets that include the huge quantities of data, social media analytics, data management capabilities, real-time data. Big Data analytics is the process of examining large amounts of data. Technology trends for Big Data embrace open source software, commodity servers, and massively parallel distributed processing platforms. There are enormous opportunities for research in the Big Data field.
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Abstract:
Web based applications are growing along with technology and an enormous amount of data involved therein led to the development of methods to discover interesting frequent patterns based on user’s needs. Web mining is an application of data mining techniques to the World Wide Web. Discovering of interesting frequent usage patterns from web log data leads to better understanding of user behavior and aids to serve the users in a better way. This process of discovering frequent usage patterns is constructed in three phases like preprocessing, pattern discovery using data mining algorithm and pattern analysis. In this paper, we discussed some of data mining algorithms to discover frequent patters from web log data and GASTON algorithm is applied to extract frequent patterns from the web log data. For the implementation, web log files are extracted from server and then different graphs are generated from that data.
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Abstract:
The servers overload and the Quality of Service (QoS) results reduced and operation becomes more serious as the use of Web services is developed. In order to avoid this, service donors use huge administrator networks of servers to attend the requests of the increasing visitors count in popular sites. OPNET (Optimum Network Performance) is used to develop a new model. The model was then evaluated to compute the operation of the wireless local area network. The model was used for two types of applications (ftp and http) and found that among a set of other specifications response time and wireless media access delay were highly affected by the number of users per application with and without load balancing. OPNET replication showed the impact of load balancing on wireless and wire-line network for two different types of applications.
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Abstract:
This paper aims to provide security to the source code file on a network with the use of cryptographic approach. This achieves advantage of individual cryptographic approach by building an enhanced hybrid cryptosystem. Source code will be legible only to authorized consumers.
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Abstract:
From the prevailing procedure of uploading information and transmission by the reasons of its reasonable cost, fast, global scale, efficiency, behavior, and reliabilitythe Cloud computing is anextraordinary progress. The have no. of uses of cloud in the sector of education, social networking and medicine. But in medical the uses of cloud is ideal, particularly because the healthcare organizations data is produced very large. In cloud, as in increasingly health organizations adopting towards electronic health records which can be accessed around the world for different health problems regarding references, educational research in healthcare and etc. However, in the cloud data transferrable the privacy and security of data remain the demanding the problems. It is unavoidable which is stored and transferred using cloud to accept tight security to protect the integrity of the carefulmedical information, from the tampering attacks, hacking and intrusion. To secure communication from the third parties called opponent cryptography is the best practice of technique. In this paper, to protect mental health information we give an approach for which data could be in readable form to sender and receiver only by using End to end encryption technique such as a strong encryption method, also we propose a multi factor authentication to make sure data privacy which logging is followed by a user name and password then the person is to answer a question corresponding to the subject via OTP (One-Time-Pad). Once authentication is successfully verified a user can permit todata accessing in the encrypted method. After that, a user can use the key to decrypt the information and can use it for their purposes. According to the result of experimental the system has enhanced the confidentiality and data integrity greatly in the cloud.
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Abstract:
The revolution in digital information has created new challenges for sending a message in a safe and secure way. Whatever method we choose, the most important question is its degree of security. Steganography is the art and science of invisible communication. Steganography plays an important role in field of Information Security. As for steganography cover types, almost any digital file format can be utilized for this purpose. Video is a very promising type of cover-media since it can carry a large amount of secret data. In addition, video steganography is becoming very important due to the frequent use and popularity of videos over the internet. Substitution-based techniques for implementing video steganography replace redundant data of the cover with the required secret message. Substitution-based techniques have numerous methods including the famous Least Significant Bit (LSB) technique, Bit Plane Complexity Segmentation (BPCS), Tri-way Pixel Value Differencing (TPVD) etc., LSB is one of the oldest and most famous substitution-based techniques. In spite of its simplicity, it is capable of hiding large secret messages. In this paper we will discuss video steganography with Least Significant bit substitution technique.
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Abstract:
One of the many successful applications of rough set theory has been to this area. The rough set ideology of using only the supplied data and no other information has many benefits in feature selection, where most other methods require supplementary knowledge. However, the main limitation of rough set-based feature selection in the literature is the restrictive requirement that all data is discrete and it returns first minimal dataset. So, we introduced Decision Relative Discernibility Matrix Approach for finding all possible reduct sets. In classical rough set theory, it is not possible to consider real-valued or noisy data. This thesis proposes and develops an approach based on fuzzy-rough sets, fuzzy rough feature selection (FRFS), that addresses these problems and retains dataset semantics. In the experimental studies, FRFS is shown to equal or improve classification accuracy when compared to the results from unreduced data. Classifiers that use a lower dimensional set of attributes which are retained by fuzzy-rough reduction outperform those that employ more attributes returned by the existing crisp rough reduction method. In addition, it is shown that FRFS is more powerful than the other FS techniques in the comparative study.
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Abstract:
In the cloud computing environment, the data security plays a major role, because the data is placed in various locations across the world. Data security and isolation protection are the two main factors of user's concerns about the cloud computing technology. Data stored in the cloud to provide data confidentiality, data integrity, data access control, and data sharing. This paper is developing a system to control the data access by the unauthorized users. Using Google App Engine to provide various types of access controls and also protect the data for the users through cryptographic technique with minimal performance degradation the data should be securely stored in the public cloud service provider. This paper describes briefly about CCAF (Cloud Computing Adoption Framework) model for securing cloud data. This system is designed based on the necessities and the execution demonstrated by the CCAF multi-layered security. CCAF multi-layered security can be categorized into three layers to protect the data in real-time: 1) firewall and access control; 2) identity management and intrusion detection and prevention and 3) Encryption. CCAF can merge with the Auditing facility to record each and every action done by the user and system details of the registered users. CCAF also achieves to identify de-duplication is performed on a single file based on their hash values. The hash numbers are relatively easy to generate. Hence it requires less processing power
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Abstract:
Frequent pattern (itemset) mining plays a key role in rule mining. The Apriori and FP-development calculations are the most renowned calculations which can be utilized for Frequent Pattern mining. his paper shows the study of different Frequent Pattern Mining and Rule Mining calculation which can be applied to crime crime pattern mining. The analysis of survey would provide the data about what has been done already in a same area, what is the present trend and what are the other related areas. Frequent Pattern mining having three important approaches that is candidate generation approach, without candidate generation approach and vertical layout approach. It also explains different frequent pattern calculations and how it can be connected to various zones especially in wrongdoing design identification. This paper helps the researchers to get clear thought towards the application of frequent pattern mining algorithm in various areas.
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Abstract:
Propelled innovation in GPS and sensors empowers us to track moving items, for example, people, creatures, vehicles. Action information of moving items, in some degree can mirror some inner and outside highlights of moving articles, how to utilize the monstrous high-exactness portable information recognize potential and significant example is the current problem areas and is additionally a difficult issue. Patterns mining have various applications in human versatility understanding, urban arranging and natural investigations and in different fields. In this paper we shows a general point of idea to understand the techniques and calculations in depth which are occurs when we test the issues of pattern mining and comparing the existing results on the same issues. It helpful to the research worker to understand the issues.
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Abstract:
Now a day the companies are conducting mock aggressive exams the use of paper inside the same way they take remarks of college. it is a tedious undertaking to conduct tests and taking comments of college because institutions require lots of paper, filing the ones papers turns into tough, finding a selected person’s paper from the ones documents is not so clean, and evaluation processing is slow. to conquer this trouble in our university we've got added a idea known as “Intranet based examination and comments Interface”
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Abstract:
PLACEMENTS information is a web based totally application advanced within the home windows platform for the training and placements branch of the college so as to offer the details of its college students in a database for the businesses to their process of recruitment furnished with a proper login. The PLACEMENTS data carries all of the information about the students. The gadget stores all the personal information of the scholars, like their personal details, their combination marks, their talent set and their technical capabilities which are required in the CV to be dispatched to a company. The device is an internet application that may be accessed at some stage in the company and outdoor as nicely with right login supplied. This device can be used as an utility for the TPO of the college to control the pupil statistics close to placements.
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Abstract:
Internet of Things have received significant attention during these days mainly because of their numerous applications. They can be found in robotics, smart buildings, fabrication equipments as well as medical, aautomation, industrial, commercial, military applications. Most of the modern Internet of Things based on Raspberry pi and Auridino boards and use it for constructing mobile robots. By interfacing a Wireless and Cam module into the proposed IoT system, it can provide a control system that uses Wireless as a standard technology for connecting remote devices. The control circuit of the proposed system is designed in a way such that a user can interface any kind of desirable peripheral.Furthermore, the cam robot is provided with a broadcast ip will open a web-page which has video screen for surveillance and buttons to control robot and camera
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Abstract:
This study is a compilation of groups identified under domain specific languages. This compilation encompasses different types of domain specific languages which are sorted in to groups based on their publications. These groups are then sub dived into more groups based on the nature of publications identified in each group. The identified studies presented in each group are then ranked based on their citation index to provide an easier access to the most cited publication in each group.
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Abstract:
The field of mathematics plays an essential role in different domains. In various areas of graph theory is employed in several applications of technology. Graphs are considered as an outstanding modeling tool which is utilized to model several classes of relations amongst any physical scenario. Several issues of the real world can be represented by graphs. This paper explores varied ideas concerned in graph theory and their applications in computer science to demonstrate the utilization of graph theory. These applications are given particularly to project the thought of graph theory and to demonstrate its objective and importance in computer science engineering.
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Abstract:
The aim of writing this research paper is to present the importance of the data mining techniques, algorithm on medical data for finding interesting patterns and discover knowledge that are used in diagnosis and decision making to predict various diseases. The health care domain produces huge amount of data and stored in repositories. The Data mining is very useful in analyzing the medical data.it is very difficult to for medical practitioners to analyze the huge quantity of data and required enough knowledge to mine it. Classification, clustering, Association Data mining techniques widely used in healthcare domain and it improve the quality of prediction and diagnosis of various diseases. The goal of this paper is to discuss the importance of datamining techniques on a medical dataset to discovery the disease hidden patterns along the results of different techniques of datamining and its algorithms. The results shown in this paper are about classification accuracy, precision, recall
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Abstract:
The aim of this paper is to study on Use of ICT Resources Among the Faculty Members of Engineering Colleges YSR Kadapa District. The data collected from faculty members through questionnaire method. Total 275 questionnaires were distributed and filled questionnaires are received 214 only. The study revealed that majority of the users (64.01%) is satisfied with the availability of ICT resources and services in engineering colleges of YSR Kadapa District. Most of the users preferred print format for reading and Google is most preferred search engine when compared to other search engines. The main problem of the faculty members is lack time for using the ICT resources and services.
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Abstract:
The field experiment was carried out at Simabandh village, Kakdwip, South 24 Parganas, West Bengal situated at 210. 58 N latitude, 880.11 E longitude, with an altitude of 1.2 m above the mean sea level. The general slope ranged between 0 to 1%, relief and was subnormal with slight to medium runoff. The selected area represents coastal saline soil with high salinity. These soils have high electrical conductivity due to high salt content. Pitcher irrigation with different combinations of sweet water and saline water was given to Chilli (Capsicum annuum var annuum) var. Pirek which was used as test crop. The yield and yield components of chilli crop revealed that yield of dry chilli was recorded at 4.27 t/ha, 4.25 t/ha, 4.20t/ha, 4.16t/ha and 2.88 t/ha respectively in the plots of pitcher pot irrigation when treated with 100% sweet water, 75% sweet water +25% saline water, 50% sweet water +50% saline water, 25% sweet water +75% saline water and 100% saline water (control) during summer season. Significantly highest (p <0.05) dry chilli yield was recorded in plots receiving 100% sweet water and 75% sweet water + 25% saline water.
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Abstract:
In the present study electrochemical reactions are carried out in bubble columns for achieving enhanced mass transfer rates. The mass transfer coefficient was computed from measured limiting currents at the electrodes fixed flush with the inner surface of the perspex tube wall which acted as test section. A string of cones arranged concentrically on a rod was used as the turbulent promoter. Improvements in the mass transfer coefficient due to cone elements are 100% when compared with the bubble column without any promoter. In the present study the effect of pertinent dynamic variables such as superficial gas velocity and liquid velocity; and geometric variables such as cone diameter, pitch, half apex angle of cone and rod diameter on mass transfer coefficient have been analyzed graphically. Correlation equations that gave best fit were obtained from least squares regression analysis, which can be used for the prediction of mass transfer coefficient.
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Abstract:
Self compacting concrete (SCC) is the concrete that is able to flow under that is able to flow in the interior of the form work, filling it in a natural manner and passing through the reinforcing bars and other obstacles ,flowing and consolidating under the action of its own weight .These properties enable the SCC to be an excellent material for constructions with complicated shapes and congested reinforcement .One of the main advantages in using SCC is the minimization of skilled labour needed for placing and finishing the concrete. All these benefits decrease the costs and reduce the time of the building process over constructions made from traditionally vibrated concrete. However, hardened self compacting concrete is still as brittle as normal concrete and has a poor resistance to crack growth. To improve the post –peak parameters of SCC ,polypropylene (Recron fibers) are added.
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Abstract:
In this research, the first law and second law of thermodynamics were applied to analyze the quantity and quality of energy and exergy in a direct injection compression ignation engine using diesel and biogas in dual fuel mode of operation. The energy and exergy for the engine were calculated and analyzed by Taguchi method of optimization for both the modes of operation. The results of dual fuel mode offered similar energetic performance as diesel fuel. It was found that, similar trends were followed in the exergetic performance parameters and the energetic performance parameters. The analyses were based on energy and exergy distribution, exergy efficiency and different availabilities of dual fuel mode with the varying load and compared with the corresponding values of diesel mode.
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Abstract:
Electric Discharge Machining (EDM) is a non-traditional machining process where tricky and multifarious profiles can be machined. Only electrically conductive materials can be machined by this practice and is one of the important machining method for machining high strength temperature resistance alloys. For accomplishing the finest performance of the EDM method, it is critical to convey out parametric design replies such as material removal rate (MRR), surface roughness (SR) etc. It is essential to consider most number of input parameters to get the better result. The objective of this work is to study the influence of three design factors current (I), pulse on time (Ton), pulse off time (Toff) which are the most relevant parameters to be controlled by the EDM process over machining characteristics such as material removal rate, surface roughness. In electrical discharge machining (EDM), a process utilizing the removal manifestation of electrical discharge in dielectric, the working liquefied plays a crucial role affecting the material removal rate and the properties of the machined surface. Choosing the right dielectric fluid is critical for successful operations. This work enhance properties of dielectric fluids by the combination of EDM oil and palm oil. In this work TOPSIS used for optimization.
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Abstract:
In present scenario, the need of increased cooling rate in commercial applications of a Refrigeration system is high. However, the complications in power consumption and lesser COP are still challenges to the researchers. Further, environmental impacts of refrigerant is also need to be considered. Hence, suitable refrigerant with increased thermophysical properties is need to be identified for increasing the performance of commercial refrigeration system. From the literature, it is reported that the use of mixed refrigerants in refrigeration system can enhance cooling capacity. However, mixed refrigerants with nano particles are yet to be studied in commercial refrigeration applications. In this context, the thermophysical properties of nano hybrid refrigerants are investigated by using R-22 and R-12 with a mass fraction of 50% each by volume concentration of nano particle TiO2 from 1% to 5%. Different mathematical correlations which are developed in the past are used to determine the thermophysical properties of hybrid nano refrigerants. The thermo-physical properties of hybrid refrigerants such as Specific heat, Density, Thermal conductivity and Viscosity are determined by varying temperature from 300-350K with an temperature increment of 5K. From the results, it is observed that by nano particles dispersions in mixed refrigerants increased the thermo-physical properties. Hence, it is concluded that nano hybrid refrigerants can enhance the cooling capacity of commercial refrigeration system.
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