| ASSESSMENT OF AN ENGINE CYLINDER HEAD-BLOCK JOINT USING FINITE ELEMENT ANALYSIS |
| S.-S. CHO1, C. S. SHIN1, C. S. LEE1, H. CHANG2, K. W. LEE3 |
1Hongik university
2Hyundai Motors
3Hyundai Kia Motors |
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| ABSTRACT |
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An engine cylinder head-block joint is a gasketed, bolted joint. Assessment of sealing performance and fatigue durability of the joint during engine development relies entirely on the engine dynamometer test because the rig test cannot mimic the engine run condition and finite element analysis employs gasket and bolt models that are too simple to provide the stress data for fatigue assessment. This paper introduces finite element-based assessment of the gasket and the bolt and a model that improves the analysis accuracy without increasing computation time. Experimental data for the deformation of joint members under thermo-mehanical load are presented to demonstrate the accuracy of the model. |
| Key Words:
Engine cylinder head-block joint, Multi-layer steel gasket, Bolt, Finite element analysis, Sealing, Fatigue |
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