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초음파 에너지 부가연료 사용시 다젤기관의 성능특성에 관한 연구(Ⅰ) (디젤연료의 화학적 구조 및 물리적 변화 분석)
최두석(D.S. Choi),윤면근(M.K.Yoon),박종규(J.K. Patk),최관호(K.H. Choi),류정인(J.I.Ryu) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_1
This study investigated the characteristics of ultrasonic energy added diesel fuel. We compared the characteristics used ^1H-NMR spectrum, FT-IR spectrum, viscosity and surface tension between conventional diesel fuel and ultrasonic energy added diesel fuel.<br/> The result are obtained as follow :<br/> We knew that ultrasonic energy cause to reduce BI and aromatics Ha, decrease viscosity and surface tension but increase Alkanes Hγ.<br/> The effect of ultrasonic energy added diesel fuel was principally caused by change of chemical structures and a physical characteristics.<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/>