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스풀밸브를 이용한 축압식 연료분사계의 작동특성에 관한 연구
최영하(Y . H . Choi),이장희(J . H . Lee),윤석주(S . J . Yoon) 한국분무공학회 2001 한국액체미립화학회지 Vol.6 No.1
Fuel injection system is very important in diesel combustion. Recently electronic control of fuel injection system and common rail systems are introduced to reduce the emission and to increase the energy efficiency from diesel engine by control of the injection timing and duration. In this study, evaluation possibility of the system for electronic control by spool valve, one of the accumulator type injection systems with spool valve using solenoid was composed and the operating characteristics were investigated to evaluate the effects of spring coefficient, initial spring force, solenoid driving time, fuel supply pressure on the injection timing and duration. Wce could confirm the capability that diesel injection was electronically controlled by spool valve
스풀 밸브를 이용한 축압식 연료분사계의 작동 특성에 관한 연구
최영하(Y. H. Choi),윤석주(S. J. Yoon),장기원(K. W. Chang),김영민(Y. M. Kim),이장희(J. H. Lee) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_2
Fuel injection system is very important in diesel combustion. Therefore many researches about this have been developed. Recently electronic control of fuel injection system and common rail system are introduced to reduce exhaust gas in diesel engine by control of. injection timing and duration. In this work, one of the accumulator type injection systems with spool valve by electronic control was composed and the operating characteristics were investigated.<br/>
전동차의 전력품질저하에 따른 광플리커 현상에 관한 연구
최영하(Y. H. Choi),이강원(K. W. Lee),김명룡(M. Y. Kim),온정근(J. G. Ohn),송중호(J. H. Song) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
Light flickering is caused by the degradation of power quality in electric train and can be measured by electronic illuminometer. This paper has shown the relations between voltage variations and illumination of lamps which has two kinds of incandescent lamp and 3-wavelength fluorescent lamp.