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[가솔린엔진] 연소가시화를 통한 HD 천연가스엔진의 연소특성 연구
김영민(Y.M. Kim),이장희(J.H. Lee),이진호(J.H. Lee),신동성(D.S. Shin),정익재(I.J. Chung) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
At present study a IIL DI diesel engine was converted to a single-cylinder spark ignited CNG engine allowing optical access through an extended piston The fuel system also was converted to deliver CNG by injection into the intake ports and the cylinder head was modified to install a spark plug. The combustion characteristics of the engine were analysed by using direct imaging of the propagating flame with simultaneous measurement of in-cylinder pressure The effect of injection timing on the combustion in lean region is remarkable and intake-synchronous injection results in favorable combustion