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자동차 배기 촉매의 2겹 방열판에 대한 해석 모델 연구
백춘호(ChunHo Beak),이관순(GwanSoon Yi),이동표(DongPyo Lee) 한국자동차공학회 2017 한국자동차공학회 부문종합 학술대회 Vol.2017 No.5
The purification performance of vehicle exhaust catalytic converter has been gradually enhanced due to exhaust gas regulation. Also, Exhaust catalytic system is affected by high temperature and external vibration. Catalyst heat-shield is used to prevent thermal damage around the catalyst. Recently, two-ply heat shields of welding type have been applied to automotive exhaust catalytic converter. This paper shows modeling approaches dealing with two-ply heat shield for catalytic converter. Developed modeling method was applied to vibration and thermal analysis. For the verification of the usage of the new model, Analysis results using FEM(Finite Element Method) were compared with test results, it showed a good agreement between numerical and experimental results