연구
국내학술지[2011년 7월] 정규수, 이동곤, 연인모, 노현구, 박성욱, 이창식, "4실린더 커먼레일 디젤엔진에서 바이오디젤 혼합연료와 EGR율에 따른 연소 및 배기특성",한국 자동차 공학회 논문집, Vol. 19, No. 4, pp. 130-136
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Title : 4실린더 커먼레일 디젤엔진에서 바이오디젤 혼합연료와 EGR율에 따른 연소 및 배기특성
Author : 정규수, 이동곤, 연인모, 노현구, 박성욱, 이창식
논문정보 : 한국자동차 공학회 논문집, Vol. 19, No. 4, pp. 130-136
게재연월 : 2011년 7월
Abstract : This study describes the effect of EGR rate on the combustion and emissions characteristics of a four cylinder CRDI diesel engine using biodiesel (soybean oil) blended diesel fuel. The test fuel is composed of 30% biodiesel and 70% ULSD (ultra low sulfur diesel) by volumetric ratio. The experiment of engine emissions and performance characteristics were performed under the various EGR rates. The experimental results showed that ignition delay was extended, the maximum combustion pressure and heat release gradually were decreased with increasing EGR rate. Comparing biodiesel blended fuel to ULSD, the injection quantity of biodiesel blended fuel was further increased than ULSD. The emission results showed that NOx emission of biodiesel blended fuel becomes higher according to the increase of EGR rate. However, in the case of biodiesel blended fuel, HC, CO and soot emissions were decreased compared to ULSD.