Engineering

An engine exhaust valve operates at extremely high temperature and pressure due to exposure of hot exhaust gases. At the worst engine operating condition at around 5000 rpm the load is maximum, hence the temperature distribution on the exhaust valve at each open and closed position and its impact on the physical strength of the valve is required to investigate by Finite Element Method.

In this study, ANSYS-FEA is employed for modeling and setting up the transient thermal analysis and subsequently structural and thermal coupled analysis of the exhaust valve.

 

 

Introduction of Exhaust Valve

 

3D meshed model of the exhaust valve

 

Objective of Exhaust Valve

 

Meshing and Boundary Condition for Engine Exhaust Valve

 

Boundary Condition for Engine Exhaust Valve

 

Engine Specification and Operating Conditions

 

Finite Element Model of the Valve

 

Temperature Distribution in Exhaust Valve

 

Temperature Distribution in Exhaust Valve Closed Open

 

Thermal Stress Distribution in Exhaust Valve

 

Results and Conclusion of Engine Exhaust Valve

 

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