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[가솔린엔진] 밸브개폐시기가변에 따른 엔진 특성의 예측에 관한 연구
황재원(J.W. Hwang),김만호(M.H. Kim),박재근(J.K. Park),Wu deyu,Liu Shenghua,채재우(J.O. Chae) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, a zero-dimensional two zone model is developed to investigate the effects of variable valve timing on combustion process in SI engine. The simulation results show that the predicted data has good agreement with experimental ones. The useful information of combustion process such like residual gas fraction, cylinder pressure, cylinder temperature and NO concentration can be obtained and the effects of engine variables on combustion processes and performances can be evaluated