ENGINE VALVE OPTIMIZATION USING FEA

MECHANICAL ENGINEERING.

Intake and exhaust valves are very important engine components that are used to control the flow and exchange of gases in internal combustion engines. They are used to seal the working space inside the cylinder against the manifolds; and are opened and closed by means of what is known as the valve train mechanism. Such valves are loaded by spring forces and subjected to thermal loading due to high temperature and pressure inside the cylinder. Design of the valve depends on many parameters like behaviour of material at high temperature, vibrations, fluid dynamics of exhaust gas, oxidization characteristics of valve material and exhaust gas, fatigue strength of valve material, configuration of the cylinder head, coolant flow and the shape of the port. This project deals with the stress induced in a valve due to high pressure inside the combustion chamber, spring force and cam force at high temperature conditions. For modelling CATIA is to be used and to analyze the valve ANSYS will be used as the tool. Structural analyses are to be performed on the valve.

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