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피스톤 냉각용 엔진 오일제트 노즐 유동특성에 관한 연구
리리(Li Li),권지혁(JiHyuk Kwon),이종훈(JongHoon Lee),최윤환(YoonHwan Choi),이연원(YeonWon Lee) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently Automobiles are becoming more important in our life, the study on piston of engine is needed because, cooling and lubrication of piston have an effect on the life and efficiency of engine directly. This study is about nozzle part of oil jet for cooling piston in the automotive engine. The previous system cooled the lower part of piston only. So, efficiency was low. To improve this system, make the oil gallery in the piston, and oil flows into the gallery, The flux of oil flow rate into the gallery is important. Consequently, the point of this study is the research of investigation of flow characteristics for various radios of curvature and diameters of outlet of nozzle and various aspect ratio. This study has been modelled by a commercial CFD code FLUENT, allowing to assess this validity.