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[디젤엔진부문] 대형디젤기관에서 EGR 장착에 의한 성능 및 배출가스의 특성에 관한 연구(Ⅰ)
한영출(Youngchool Han),엄명도(Myoungdo Eom),류정호(Jungho Ryu),오용석(Youngguk Oh),오상기(Sangki Oh) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_1
EGR(Exhaust Gas Recirculation), usually, is known as the technique which reduces dramatically the NOx emission from diesel engine. Application of this technique, however, is difficult because it is likely to cause the deterioration in fuel consumption and the increase in PM(Particulate Matter) emission. For the heavy duty diesel engines, especially, trade-off between the PM and NOx formation becomes more severe, as well as may raise the problem in lubricant and durability.<br/> In this study, as the research for the 11,000cc turbocharged diesel engine equipped with an EGR valve and cooler. we predicted the combustion and reduction characteristics of CO, me, NOx with experimntal.<br/> The emission levels of CO, me were substantially increased according to the increase in EGR rate. The reduction rate of NOx increased at the higher load, rather than lower load.