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1차원 재생모델에 의한 벽-유동 모노리스 디젤 입자상물질 필터 트랩의 수치 시뮬레이션
김광현(G.H.Kim),박정규(J.K.Park),정인승(Y.S.Jung) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1994 No.11_1
A mathematical model for wall-flow monolith ceramic diesel paniculate filter was developed in Oder to decnbe the processes which take place in the filter during regeneration. The major output of the model comprises ceramic wall temperature and regeneration time (soot reduction). Various numerical tests were performed to demonstrate how the gas oxygen concentration, flow rate and the initial paniculate trap loading affect the regeneration time and peak trap temperatures. The model is shown to be in reasonable agreement with the published experimental results. This model can be applied to predict the thermal shock failure due to high temperature during combustion regeneration process.<br/>