http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이중섭(C. S. Yi),심규진(K. J. Shim),이용훈(Y. H. Lee),정한식(H. S. Chung),정효민(H. M. Jeong) 한국동력기계공학회 2006 한국동력기계공학회 학술대회 논문집 Vol.- No.-
This research is focused on the application for the catalytic converter in the motorcycle engine. Present research model type is monolithic catalytic converter and this type has been widely used for satisfaction and the regulations of pollutant emissions in automobiles. The flow characteristics in a single monolith automotive catalytic converter were investigated by using a computational simulation method. The numerical mode with a general cartesian coordinates system is assumed as the steady and unsteady state, incompressible flow and κ - ε standard turbulence model. The inlet boundary condition of catalytic converter is assumed as a uniform distributed flow and it was varied from 2m/s to 20m/s. Also, boundary condition of unsteady state was a pressure condition by the experimental result. There has no chemical reaction in this study, so we discuss only to the effect of flow uniformity in the catalyst converter. Simulation results lead us to the conclusion that the fluid uniformity of megaphone type catalytic converter is higher than that of a base type one. By comparing with various types, megaphone type has more suitable for applicable to motorcycle.