Thermal analysis of automobile piston made of aluminium alloy

The power can be generated in the combustion chamber of an automobile. The combustion chamber is the place where the charge burns in. The charge i.e. air and fuel at various proportions depending upon the accelerations made is sent through carburettor which is compressed inside the combustion chamber with to and fro moments of piston within the top and bottom dead centres. After the combustion, the burnt charge exerts a lot of force on the piston. The piston plays various roles in compressing the charge and in transferring the produced power to the crankshaft. During this process, always the piston is in contact with the charge. The burnt charge has temperature about 12000C. The heat flows into the piston. So the piston should have sufficient mechanical strength to with stand the force acting by the explosion and the piston should be thermally stable to with stand the heat flow into the piston. The piston is cooled by providing cooling fins external to the surface of Combustion Chamber. In this paper the thermal analysis of the piston is done by modelling the piston with aluminium alloy. The thermal analysis was analysed using software ANSYS. It is found that, the aluminium alloy piston is having the sufficient thermal stability to with stand the high temperatures.