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Investigation of Gasket Sealing Behavior of Cylinder Head and Block under Engine Operating Conditions and Its Experimental Verification
Technical Paper
2015-26-0029
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Proper sealing of an engine is very important parameter in an engine design. Even small amount of gas leakage from the engine can affect the overall performance of the engine during operation. There are two important factors in enhancing the efficiency of the sealing of the gasket are right tightening torque of bolts & gasket design. In this study, both the distribution of the contact pressure on the gasket, and the stresses of the cylinder head at different loading conditions, such as cold assembly, hot assembly, cold start, and hot firing, is simulated by commercial tool, based on the finite element method (FEM). The results shows that the efficiency of the sealing of the cylinder head gasket depends on the tightening torque of the hold-down bolts, without taking into consideration any thermal load resulting from the temperature distribution in the cylinder head. Study also shows that, the location of maximum contact pressure on the gasket is changed when the thermal loading is taken into account.
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Authors
Citation
Kandreegula, S., Gupta, U., and Vyas, S., "Investigation of Gasket Sealing Behavior of Cylinder Head and Block under Engine Operating Conditions and Its Experimental Verification," SAE Technical Paper 2015-26-0029, 2015, https://doi.org/10.4271/2015-26-0029.Also In
References
- Raub Jonathan Modeling Diesel Engine Cylinder Head Gaskets using the Gasket Material Option International Ansys Conference 2002
- Lee Chang-Chun , Chiang Kuo-Ning , Chen Wen-King , Chen Rong-Shieh Design & Analysis of Gasket sealing of cylinder head under engine operating conditions 41 2005 1160 1174
- ANSYS Mechanical Help - 15.0
- www.6dof.com