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장창수(C.S.Jang),우동기(D.G.Woo),최상민(S.M.Choi) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.11_1
To use in GDI(Gasoline Direct Injection) engine. all parts of HPSI(High Pressure Swirl Injector) are designed and made. This Injector can be operated at 5.0MPa condition. Three types of swirl nozzle is built and tested. Ball type valve has better characteristics then conventional type. High pressure pumping system is constructed. Static and dynamic flow rate and spray angle of HPSI are mearured. Understanding of construction processes and major design factors in HPSI is acquired in this study.<br/>