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EFI기관에서 초음파에너지 부가 연료의 무화특성에 관한 연구(Ⅱ)- 연료의 분자 구조 및 물리적 특성 분석-
윤면근(M.K. Yoon),안순혁(S.H. An),최정원(J.W.Choi),류정인(J.I. Ryu) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.6_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 found out by the chemical structure analysis(NMR, IR) and the physical test(viscosity, distillation).<br/> The results are obtained as follows;<br/> 1. The SMD by the conventional injector and the ultrasonic fuel adding injector are much smaller 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 chemical property of fuel was changed by ultrasonic energy. Bl was increased, percent of aromatics volume was reduced by ultrasonic energy.<br/> 3. The physical characteristics(viscosity, distillation) of fuel were improved by ultrasonic energy; Viscosity was decreased, ultrasonic energy added fuel was improved cold starting & acceleration properties.<br/>