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LPG 프리피스톤 리니어엔진의 스프링강도에 따른 운전특성에 대한 수치해석 연구
왼바흥(Nguyen Ba Hung),오용일(Yong Il Oh),임옥택(Ock Taeck Lim) 한국자동차공학회 2012 한국자동차공학회 지부 학술대회 논문집 Vol.2012 No.5-1
This paper presents a simulation research about free piston linear engine (FPLE) fueled with LPG include 30% propane and 70% butane. There are two simulation models are used in the research including dynamic model and thermodynamic model These models are combined and solved by Fortran. The effects of spring hardness on the motion characteristic of piston are studied. The simulation results show that, by increasing spring hardness, the velocity as well as the motion frequency of piston is higher.