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EC stage 2를 위한 Close-Coupled Catalyst(ccc) System의 개발
김대중(D.J.Kim),최병철(B.C.Choi),손건석(G.S.Son),이귀영(K.Y.Lee),강상록(S.L.Kang) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_2
A large portion(above 70%) of the engine-out hydrocarbon and NOx emissions for a typical vehicle occur mainly before the conventional underbody catalyst reaches activation temperature. To meet the stringent regulation as EC stage 2, the emissions produced during this period must be reduced. One of alternative techniques is to place CCC(Close-Coupled Catalyst) near the engine manifold. In this study, the characteristics of CCC are observed through ECE+EUDC mode.<br/>