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수소 예혼합 압축착화 기관의 lean boosting 적용에 관한 연구
안병호(BYUNGHOH AHN),이광주(KWANGJU LEE),이종구(JONGGOO LEE),이종태(JONGTAI LEE) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
In order to realize the expand operation range and high efficiency simultaneously, combination of homogeneous charged compression ignition(HCCI) and lean-boosting which ultra lean mixture is supercharged, was discussed for hydrogen fueled engine. To obtain the final goal, possibility of expanding operation region and efficiency was analyzed, experimently. As the result , It was shown that operation range was expanded about 2.7 times as compared with that of N/A and cycle variation was stably operated under knock limit ay 8%. Indicate thermal efficiency was over 50% at utlra lean region, and was increased by lean boosting in knock limit equivalence ratio.