STRUCTURAL ANALYSIS OF FLYWHEEL FOR COMPRESSION IGNITION ENGINE

Mechanical Engineering

A flywheel used in machines serves as a reservoir which stores energy during the period when the supply of energy is more than the requirement and releases it during the period when the requirement of energy is more than supply. For example, in compression ignition engines, the energy is developed only in the power stroke which is more than engine load, and no energy is being developed during the suction, compression and exhaust strokes in case of four stroke engines. The excess energy is developed during power stroke is absorbed by the flywheel and releases its to the crank shaft during the other strokes in which no energy is developed. The flywheel located on one end of the crankshaft. The main aim of this project is a parametric model of the flywheel is designed using 3D modeling software. The force acting on flywheel is also calculated by using some theoretical formulas. The strength of the flywheel is validated by applying the forces on the flywheel in analysis software ANSYS. Structural analysis and model analysis is done on the flywheel. For structural analysis is used to determine whether flywheel withstands under working conditions. Model analysis is done to determine the number of mode shapes for flywheel analysis is done for two materials Cast iron and Aluminum alloy A360 to compare the results. These results lead us to the determination of vibrations in existing flywheel. By predicting the vibrations concentration areas, the flywheel working life increase and reduce the vibrations on the engines.

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