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최장원(J.W.Choi),윤면근(M.K.Yun),박세영(S.Y.Park),류정인(J.I.Ryu) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1994 No.11_1
It is a experimental research for the thesis to show a atomization characteristic of fuel by using ultrasonic enregy. It's for the data of SMD and qualitative vibration curve as change of injection pressure and injection interval, the results are as follow;<br/> 1. In general, SMD decreases as injection pressure increase at both cases of conventional and ultrasonic adding type.<br/> 2. SMD decrease as injection interval decrease .<br/> 3. SMD is proportional to vibration width at the same time and vibration number<br/> and to vibration number at the same vibration width and time.<br/>
EFI 기관에서 초음파에너지 부가 연료의 무화특성에 관한 연구-연료의 분자 구조 분석
윤면근(M.K.Yoon),최관호(K.H.Choi),최장원(J.W.Choi),류정인(Jeong-In Ryu) 한국자동차공학회 1994 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1994 No.11_1
This experimental study was performed by the reflection object and the variation of injection pressure with the conventional injector and the ultrasonic fuel adding injector in order to improve the characteristics of the fuel injector for EFI type<br/> The cause and effect of the characteristic improvement of the ultrasonic adding fuel was fo und out by the chamical structure analysis.<br/> The results are obtained as follows;<br/> 1. The SMD by the conventional injector and the ultrasonic fuel adding injector are much s-maller as injection pressure increase. Also, the SMD and distribution of the particle by the ultrasonic fuel adding injector is better than those by the conventional injector.<br/> 2. The chamical property of fuel was changed by ultrasonic energy.<br/>