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LPG 기체 MPI 공급 방식에 의한 비도로용 엔진의 Stage V 만족 연구
전원일(Wonil Jeon),김경수(Kyoungsul Kim),최경호(Kyungho Choi),이대엽(Daeyup Lee),김봉철(Bongcheol Kim),나평철(Pyungchul Na),이민호(Min-Ho Lee),김현진(Hyun-Jin Kim) 한국연소학회 2021 KOSCOSYMPOSIUM논문집 Vol.2021 No.5
LPG(propane) fuel has environmental advantages of emitting almost no fine particles and relatively lower CO2 compared to diesel and gasoline fuels. A 50 kW class engine was developed by applying gas injection MPI technology that can increase volumetric efficiency compared to the conventional mixer-type fuel supply. Using the results of CFD study of intake manifold, 3D printed intake manifold tested experimentally and fabricated using rapid protyping casting. The performance and exhaust gas tests were performed by the NRTC cycle. This study conclude that the target output performance and exhaust gas standards were satisfactorily satisfied.