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IDI 디젤기관에서 함산소연료와 배기가스 재순환 방법 적용에 의한 매연과 NOx의 동시저감 연구
오영택(Y. T. Oh),김건회(G. H. Kim),권규식(K. S. Kwon),최승훈(S. H. Choi) 한국동력기계공학회 2005 한국동력기계공학회 학술대회 논문집 Vol.- No.-
In this paper, the effect of oxygen component in fuel on the exhaust emissions has been investigated for an indirect injection diesel engine. It was tested to estimate change of engine performance and exhaust emission characteristics for the commercial diesel fuel and oxygenated blended fuel which has four kinds of mixed ratio. And, the effects of exhaust gas recircu1ation(EGR) on the characteristics of NOx emission have been investigated. Ethylene glycol mono-n-butyl ether(EGBE) contains oxygen component Z7% in itself, and it is a kind of effective oxygenated fuel of mono-ether group that the smoke emission of EGBE is reduced remarkably compared with commercial diesel fuel, that is, it can supply oxygen component sufficiently at higher loads and speeds in diesel engine. It was found that simultaneous reduction of smoke and NOx was achieved with oxygenated fuel(10vol-%) and cooled EGR method(10%).