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[가솔린엔진부문] 소형 2-Stroke 엔진에서 촉매형태가 엔진성능에 미치는 영향 연구
조규백(G.B.Cho),최교남(K.N.Choi),정동수(D.S.Jeong),김영희(Y.H.Kim),한현식(H.S.Han) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_1
Several technology have been investigated to reduce the emissions of 2-stroke motorcycle engines, for example, advanced fuel metering system, improved scavenging characteristic.combustion chamber modification, exhaust gas aftertreatment, etc, <br/> Aftertreatment technology is a cost effective method specially for small 2-stroke motorcycle engine. Catalysts can reduce not only emissions, but also power output, if it has any obstruction to the flow of exhaust gas.<br/> Within this study. a 90cc small 2-stroke engine was used with different types of catalysts. Comparison tests were performed between a hot tube catalyst and a hot tube plus flex coat catalyst. This result demonstrates the effects from both restriction and inside temperature caused by catalysts.