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분사각 변화에 따른 HCCI 엔진의 분무 및 연소특성에 관한 연구
김형민(Hyungmin Kim),류재덕(Jeaduk Ryu),이기형(Yougjong Choi),전상엽(Kihyung Lee Sangyeop Jeon) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.5_1
Recently, there has been an interest in premixed diesel engines as it has the potential of achieving a more homogeneous and leaner mixture close to TDC compared to conventional diesel engines. Early studies are shown that in a HCCI(Homogeneous Charge Compression Ignition) engine, the fuel injection time and spray angle affects the mixture formations. Thus the purpose of this study was to investigate relationship of combustion and mixture formations according to injection time and spray angle in a common rail direct injection type HCCI engine using a early injection method called the PCCI(Premixed Charge Compression Ignition). From this study, we found that the fuel injection time and spray angle affect the mixture formations and in turn affects combustion in the PCCI engine.