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ULEV-Ⅱ 규제대응용 배가스 후처리 시스템 구성을 위한 촉매 활성 연구
유종표(Jongpyo Yoo),신병선(Byeongseon Shin),홍석진(Seokjin Hong),권정민(Jungmin Kwon),김상수(Sangsoo Kim),정명근(Myounggeun Jung) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
To meet the ULEV-Ⅱ legislation, the catalytic of new technology catalyst has been discussed for exhaust gas aftertreatment system. For evaluating the performance of the new technology catalyst, engine dynamometer test and vehicle test were conducted. In the engine dynamometer test, it was proved that LOT & OSC performance of new technology catalyst had better than that of tri-metal catalyst. In addition, de-NOx activity was improved under cold start in FTP-75 mode. From the result of the test, the new technology catalyst is proposed for a optimized exhaust gas aftertreatment system for ULEV-Ⅱ.
EURO-V 규제 대응을 위한 TWC 성능 개선에 관한 연구
김은형(Eunhyoung Kim),유종표(Jongpyo Yoo),김상수(Sangsoo Kim),류창호(Changho Ryu),강대환(Daehwan Kang),정명근(Myunggeun Jung) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This study has been focused on minimization of the exhaust gas emissions to meet EURO-V emission standard by using CCC system configuration. The new catalysts suggested as the next generation catalysts have been Pt/Pd/Rh, Pd/Rh and Pd Only. The Characteristics of Catalyst according to the W/C and promoters have been evaluated in order to establish to the catalyst technologies for gasoline engine. The emission performances of new W/C technologies have been analyzed and evaluated with engine bench test and vehicle test. From the test results, it could be suggested the optimal data applied to catalyst design.