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LPG 엔진의 수소 분사비율에 따른 연소 특성 및 연소안정성에 관한 실험적 연구
안민석(Minseok An),윤여빈(Yubin Yoon),조용석(Yongseok Cho),이성욱(Seangwock Lee) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Finding an alternative fuel and reducing environmental pollution are the main goals for future internal combustion engines. The purpose of this study is to obtain low-emission and high-efficiency by hydrogen enriched LPG fuel in a LPG engine. An experimental study was carried out to obtain fundamental data for the combustion and stability characteristics of pre-mixed LPG and hydrogen in a LPG engine with various fractions of hydrogen-LPG blends. To maintain equal volume ratio of fuel blend, the amount of LPG was decreased as hydrogen was gradually added. The results showed that the rate of heat release enhanced as the hydrogen fraction in the fuel blend was increased. Moreover combustion parameters such as rate of heat release and COVimep are compared to predict the combustion stability.