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안순혁(S.H.Ahn),윤면근(M.K.Yoon),박세영(S.Y.Park),조성철(S.C.Cho),류정인(J.I.Ryu) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_2
Today, modern society is an excessive consumption age of petroleum energy. An excessive consumption of petroleum fuel is accompanied with the panic of ultimate depletion of existing oil resources and environmental contamination by exhaust gas.<br/> Based on this situation, gasoline-methanol blends which is the mixture of gasoline and alcohol as well as compatible to existing spark ignition engine with minor or modification was developed. <br/> This is an experimental research to study the characteristics of spray for gasoline-methanol fuel with gasoline injector. To measure the droplet size(SMD) we used the Malvern system 2600c.<br/> The results of study are that in the physical properties, the specific gravity and viscosity of blending fuel increase, mean diameter of droplet(SMD) decrease as injection pressure increase and SMD increase in the increase of blending rate.<br/>
초음파연료공급장치를 이용한 MPI 인젝터의 성능에 관한 연구
윤면근(M.K.Yoon),안순혁(S.H.Ahn),류정인(J.I Ryu) 한국자동차공학회 1996 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1996 No.6_2
This experiment was undertaken to investigate spray characteristics of the conventional injection system and the ultrasonic energy added injection system.<br/> Sauter mean diameter was measured under the variation of injection pressure and the spray distance. To measure the droplet size, we used the Malvern system 2600C. The spray angle and mass distribution were analyzed to the CCD camera and the patternater.<br/> After experiment, it was found that the ultrasonic energy added injection system had smaller Sauter mean diameter of droplet, wider mass distribution and wider spray angle than the conventional injection system had.<br/>