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Volume 1, Issue 2, February 2013


International Journal of Advance Research in Mechanical Engineering (IJOARME)
 
 

SLIDING Wear Behavior of Acrylonitrile Butadiene Styrene (ABS) Thermoplastic composites[ ]


The selection of material and methods for wear applications is an important part for both technological advancement and manufacturing activities. Materials application, performance and manufacturability are all key parts for the selection of wear resistance applications. Wear materials are used to reduce dimensional changes due to unwanted material removal, reduce frictional losses, to tailor the physical performance of a component and to provide physically stable working surface. Acrylonitrile-butadiene-styrene (ABS) is a widely used thermoplastic. ABS polymers have a high toughness, satisfactory rigidity, and good resistance to heat, chemical, and environmental stress cracking. Molded articles with high dimensional stability and good surface quality can be produced by simple processing technique. It is essential to carryout investigations to characterize ABS thermoplastic composites for its wear behavior for tribological applications.

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Hydrogen as a Non-Polluting Fuel[ ]


The aim of this paper is to encapsulates the use of non polluting fuels such as nitrogen, hydrogen and oxygen in order to run vehicles and for various transport activities, as now a day commonly used fuels such as petrol, diesel etc. are consuming at faster rate and may gets exhaust within no time. So in order to continue this pleasurable life we may have to develop vehicles which may run on fuels which are non polluting as well as in great amount in nature and can be renewable. So this paper is in help to manufacture a vehicle which runs on power of hydrogen, this paper gives an idea of manufacturing a spark ignition engine which runs with the help of hydrogen and oxygen mixture, as hydrogen is highly inflammable and due to its properties it gives a large amount of power which can easily be capable to run a vehicle. This idea is based on the cryogenic engineering which deals with various elements at a very low temperature, hence we can store hydrogen at a very low temperature and high pressure and can be stored in great amount which may helpful to run a vehicle to a very long distance.

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Fabrication and Testing of Compressed Air Car[ ]


This research aims to examine the performance of a car which takes air as the working medium. Air car is a car currently being developed which is still in the R&D stage all over the world. Review on the availability and the impact of the fossil fuels in the present and future generations led us to design a vehicle which runs by renewable energy sources. As the world is hard pressed with the energy and fuel crisis, compounded by pollution of all kinds, any technology that brings out the solution to this problem is considered as a bounty. In one of such new technologies, is the development of a new vehicle called as gCompressed Air Carh, which does not require any of the known fuels like petrol, diesel, CNG, LPG, hydrogen etc., this works on compressed air. This replaces all types of till date known fuels and also permanently solves the problem of pollution, since its exhaust is clean and cool air.Though some of the renewable energy sources like solar energy, bio fuels are currently in practice, we focused on pneumatic technology. Since pneumatic applications are wide all over the world, basic components and other equipment are easily available and the fabrication is not so tough. The basic principle involved in this concept is that compressed air is capable enough to provide sufficient thrust which in turn can propel the car. This report is a detailed description of the fabrication, working and testing of the compressed air car.

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Radiation and Chemical Reaction Effects On Mhd Free Convection Flow of A Micropolar Fluid Bounded By A Vertical Infinite Surface With Viscous Dissipation And Constant Suction[ ]


The combined effect of thermal radiation and a first-order chemical reaction on steady hydrodynamic heat and mass transfer flow of a micropolar fluid bounded by a vertical infinite surface in the presence of viscous dissipation with constant suction. Approximate solutions of the coupled nonlinear governing equations are obtained for different values of the radiation, chemical reaction, microrotation and the magnetic-parameters. The effects of the various dimensionless parameters entering into the problem on the velocity, microrotation, temperature and concentration profiles across the boundary layer are investigated through graphs. Also the numerical values of the skin friction coefficient, couple stress coefficient, the rate of heat and mass transfer at the wall are prepared with various values of the parameters.

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