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하현상(H.S.Ha),정대용(D.Y.Jeong),최경호(G.H.Choi),이종태(J.T.Lee) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_1
The ultra high pressure injection system(UHPIS) and diesel combustion system of rapid intake compression expansion machine type were deneloped for investigation of spray and the combustion characteristics. Ultra high pressure injection was achieved by manufactured UHPIS. which has a facality about lO.OOObar in desined injection perssure.<br/> In case of 2.000bar injection pressure the diameter of spray and ignition delay period were decreased about 75%. 67% compare with those of injection pressure of 800bar respectively.<br/> it was found that though spray and combustion were improved by ultra high pressure injection, the proper injection pressure which was efficient to those was exist.<br/>