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A Study on the Exhaust System Model for Thermal Stress Analysis of Exhaust Manifold  

Choi, Bok-Lok (School of Automotive and Mechanical Engineering, Gangneung-Wonju National University)
Lee, Kyung-Woo (Hyundai Motor Company)
Chang, Hoon (Hyundai Motor Company)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.18, no.6, 2010 , pp. 7-13 More about this Journal
Abstract
In this study, we investigated the efficient FE modelling techniques for thermal stress analysis of the exhaust manifold subject to thermo-mechanical cyclic loadings. At first, full engine model was considered to identify the critical locations and their results were compared to failure site shown by the engine bench test. And the equivalent system model was proposed based on the mechanical behavior of the full engine model. The weak areas of both FE models show a good agreement with the experimental crack location. As a result, a simplified modelling methodology was verified to estimate the thermo-mechanical behaviors of the exhaust manifold under thermal shock test condition.
Keywords
Exhaust manifold; Thermal shock test; FEM; Full engine model; Equivalent exhaust system model;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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1 E. Charkaluk, A. Bognonnet, A. Constantinescu and K. Dang Van, "Fatigue Design of Structure under Thermomechanical Loading," Fatigue Fracture Engineering Material Structure 25, pp.1199-1206, 2002.   DOI   ScienceOn
2 A. Weronski and T. Hejwowski, Thermal Fatigue of Metals, Marcel Dekker, Inc., pp.108-172, 1991.
3 ABAQUS Analysis User's Manual, Vol. III : Materials.
4 Y. Watanabe, K. Shiratani, S. Iwanaga and K. Nishino, "Thermal Fatigue Life Prediction for Stainless Steel Exhaust Manifold," SAE 980841, 1998.
5 N. Mamiya, T. Masuda and Y. Noda, "Thermal Fatigue Life of Exhaust Manifold Predicted by Simulation," SAE 2002-01-0854, 2002.
6 T. Gocmez and U. Deuster, "An Integral Engineering Solution for Design of Exhaust Manifolds," SAE 2009-01-1229, 2009.
7 S. S. Manson, Thermal Stress and Low-Cycle Fatigue, McGraw-Hill, pp.245-274, 1966.
8 B. L. Choi, H. Chang and K. H. Park, "Low Cycle Thermal Fatigue of Engine Exhaust Manifold," Int. J. Automotive Technology, Vol.5, No.4, pp.297-302, 2004.   과학기술학회마을
9 B. K. Kim, E. H. Lee and B. L. Choi, "Thermal Deformation Analysis of Exhaust Manifold for Turbo Diesel Engine in Considering of Flange Design," Transactions of KSME, Vol.31, No.3, pp.338-343, 2007.   과학기술학회마을
10 K. H. Park, B. L. Choi, K. W. Lee, K. S. Kim and Y. Y. Earmme, "Modelling and Design of an Exhaust Manifold under Thermo Mechanical Loading," Journal of Automobile Engineering, Vol.220, No.D-12, pp.1755-1764, 2006.   DOI