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아세톤 PLIF를 이용한 CNG 직분사 인젝터의 분무발달에 관한 연구

Title
아세톤 PLIF를 이용한 CNG 직분사 인젝터의 분무발달에 관한 연구
Other Titles
Experimental Investigation on Jet Structure and Development Processes of CNG DI Injector using Acetone PLIF Technique
Author
박성욱
Keywords
가솔린 직접분사; 직분사 시스템; 아세톤; CNG; Direct-injection system; PLIF; Planar Laser-Induced Fluorescence; Acetone
Issue Date
2015-09
Publisher
한국액체미립화학회
Citation
<한국액체미립화학회 학술발표논문집> 2015권0호 (2015), Page. 108-108
Abstract
The purpose of this study is to investigate jet structure and development processes of CNG DI injector using acetone PLIF technique. For this experiment, jet development images were captured by a CCD camera equipped with Nd:Yag laser with 266 nm. Acetone was known as a tracer because it has a very low boiling point of 329 K, a high saturation pressure of 24 kPa at 293 K, a good fluorescence yield, and low toxicity. Fluorescence signal of acetone was captured by the CCD camera with a time resolution of 2 us. The camera and Nd:yag laser were synchronized with the injection pulse so that the images correspond to the time after the start of injection. Results showed that at the initial stage of spray development, the spray shown as turbulent flow. In addition, it can be seen that the high fluctuation region of fuel concentration at the tip of the spray. It can be explained by the effect of surrounding air mixing process.
URI
http://kiss.kstudy.com/journal/thesis_name.asp?tname=kiss2002&amp;key=3370490http://hdl.handle.net/20.500.11754/27409
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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