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오용석(Y.S.Oh),문기석(K.S.Moon),김경배(K.B.Kim),한영출(Y.C.Han) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_1
Natural gas-fueled vehicle impoes unique requirements on exhaust aftertretment system. In the CNG vehicle, exhaust hydrocarbon is mainly consist of methane. Methane conversion, which is very difficult for conventional automotive catalysts, may be required, depending on future regulatory direction. In this study, we used a transient one-dimensional model which takes into account the gas-solid heat and mass transfer, axial heat conduction, chemical reactions and the related heat release. We considered many factors affect to methane conversion, and simulated methane conversion efficiency at variable condition.<br/>