CFD Analysis and Aerodynamic Effects of Add-On Devices on an Audi TT Vehicle Model
Dynamic Response Analysis of Linear Motion Stage with Track Roller Guides
Design and Development of Manual and Voice Assisted Turn Indicator for Automobiles
Vehicle Health Inspection with Enhanced Auto Diagnostics and Maintenance
Dynamic Response Characteristics of Linear Translation Stage: A Review
A Review on Mechanical and Tribological Characteristics of Hybrid Composites
Design of Oil-Ammonia Separator for Refrigeration Systems
Design and Experimental Investigation of a Natural Draft Improved Biomass Cookstove
Progressive Development of Various Production and Refining Process of Biodiesel
Optimization of Wire-ED Turning Process Parameters by Taguchi-Grey Relational Analysis
Evaluation Of Mechanical Behavior Of Al-Alloy/SiC Metal Matrix Composites With Respect To Their Constituents Using Taguchi Techniques
Multistage Extractive Desulfurization of Liquid Fuel by Ionic Liquids
Isomorphism Identification of Compound Kinematic Chain and Their Mechanism
Development of Electroplating Setup for Plating Abs Plastics
A Comprehensive Review of Biodiesel Application in IDI Engines with Property Improving Additives
The cup drawing process of sheet takes an important place in forming metals. The traditional techniques of tool design for sheet forming operations used in industry are experimental and expensive methods. Prediction of the forming results, determination of the punching force, blank holder forces and the thickness distribution of the sheet metal will decrease the production cost and time of the material to be formed. In this project, cup drawing simulation has been presented with finite element method. The entire production step has been simulated by ANSYS 15.0 software under axisymmetric conditions with nonlinear Transient dynamic analysis. Radial, axial, hoop and Von Mises stress patterns have been simulated for critical load conditions. A rigorous analysis of Von Mises stress has been performed to track the yield behavior of blank. Contact behavior was also observed. Simulated Punch force was compared with experimental values for different travel intervals.
Materials are often selected for structural, aerospace and automotive applications because of better mechanical properties. In recent days development of Hybrid Metal Matrix Composites (HMMCs) has gained lot of interest in Materials Science field. In view of this, the present study focuses on the formation of Aluminum-SiC-Titanium dioxide HMMC. It was aimed to evaluate the mechanical and metallurgical properties of Al2014T6 alloy in the presence of silicon carbide, and Titanium dioxide its combinations. Various compositions are added and by using stir casting method HMMCs are fabricated. The properties like tensile strength, elongation, yield strength, hardness and micro structure were determined. In the presence of Silicon Carbide (SiC) and Titanium dioxide (TiO2) [5%SiC + 5%TiO2 , 2.5%SiC+7.5% TiO2and 7.5% SiC+ 2.5% TiO2] with Aluminum, composites were prepared. It was noticed that newly developed HMMCs exhibits better strength, hardness and elongation when compared with metal alloy.
The prime goal of current research work is to design, fabricate and test the performance of vacuum tube solar air collector. This paper investigates the influence of inclination angle on the variation of inside temperature of vacuum tube and header of vacuum tube solar air collector. Vacuum tube solar air collector is used to produce hot air over a period of daytime without tracking the sun. Results found that the variation of inside temperature of vacuum tube increases from 45.8°C to 56.5°C, 42.7°C to 92.3°C and 43.7°C to 94.1°C and the variation of inside temperature of header increases from 38.4°C to 48.1°C, 34.6°C to 92.3°C and 35.2°C to 72.2°C for 30°, 45° and 60° inclination angle.
In today's machining applications, nanofluids created a revolution by replacing the various metal cutting fluids used in manufacturing industries, due to its distinct properties such as high thermal conductivity and lubrication. The optimization was done based on the experimentation on surface roughness and tool wear. To get optimized results the technique used was Grey Rational Analysis (GRA), Principle Composite Analysis (PCA), and Response Surface Methodology (RSM) optimization techniques on the turning of Titanium (Ti-Al-4V) alloy with the Nanofluid based Minimum Quantity Cutting Fluid (NFMQCFT) Technique. Here, Graphene nanoparticles are used to mix with the vegetable oil based (Soya Bean) cutting fluid. The experiment has been done by using several machining parameters such as feed rate, cutting speed, depth of cut, etc. An analysis has been made to evaluate the machining parameters for surface roughness values (Ra) and Tool wear based on the actual series of experiments with uncoated carbide tool. The outcomes state that the feed rate has a greater influence on the values of surface roughness as compared to cutting speed. The predicted results are identical to the experimental values. Since this research has multi-objective, these developed models using response surface methodology, grey rational analysis, and principle composite analysis can be used for evaluation of surface roughness and tool wear.
Resistance welding principle depending on heat developed at the interface due to current supplied through the electrode to the metal parts being joined. It depends upon the electric current flow, supply time and load transmitted to the parts to be joined. Indirect spot welding or one side welding method force the joint to be welded like normal conventional process of spot welding; the current flow direction is deviated by adding series of electrodes through the interface and ground the flow direction to the bottom electrode there by heating effect will be reduced in the bottom sheet and at the same time ensurs formation of nugget. For achieving is principle a special unit is designed and fabricated and attached to the bottom electrode of Spot welding machine. This requirement of both transmitting of current and weld force to realize minimum deformation on one of the sheets. Trials were conducted 23 factorial designs is met using “statistical” design approach from the of experiments. Weld parameters were considered for each factor with two level variation and the tension shear load was taken as response criteria. Indirect resistance welding trials were conducted and regression equations were obtained. The effect of parameters on tension shear breaking load was analyzed.
Elbow is one of the most common components in the pipe line system, where pressure difference occurs as a fluid flow.Due to the pressure difference, centrifugal force is developed. For this reason, the behaviour of the fluid flow in a 90° elbow for different geometries of nozzle have been studied using the FLUENT software. Ten different models were investigated based on the K-ɛ model of the energy equation. The analysis was simulated in terms of the velocity and pressure contours and comparison is done. The analysis has been done for 10 different models with changing the angle of convergence from 0° to 90° and found that the velocity gradients are increasing and pressure gradients are decreasing in an ascending order of the angles of convergence for nozzle geometry. The software values are compared to the regression values and found to yield good agreement with the simulated values.