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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2001.12
- 수록면
- 133 - 138 (6page)
이용수
초록· 키워드
오류제보하기
This paper analyzes heterogeneous distribution of branch-like structure at downstream region of the spray. The liquid and vapor phase of the spray are obtained by 35mm still camera and CCD camera in order to investigate spray structure of evaporative diesel spray.
The previous many studies about diesel spray structure have yet stayed in the analyses of 2-D structure, and there are a few of information which is concerned with 3-D structure analysis of evaporative spray. The heterogeneous distribution of droplets in inner spray affects the mixture formation of diesel spray, and the combustion characteristics
of the diesel engines. In this study, the laser beam of 2-D plane was used in order to investigate 3-D structure of evaporative spray. The incident laser beam was offset on central axis of the spray. From the analysis of images taken by offset of laser beam, we examine formation mechanism of heterogeneous distribution of the diesel spray by vortex flow at the downstream of the spray. The images of liquid and vapor phase of tree spray are simultaneously taken by exciplex fluorescence method.
As a result. the branch-like structure consisted of heterogeneous distribution of the droplets forms high concentration of vapor phase at the periphery of droplets and the region of the spray tip in the structure.
The previous many studies about diesel spray structure have yet stayed in the analyses of 2-D structure, and there are a few of information which is concerned with 3-D structure analysis of evaporative spray. The heterogeneous distribution of droplets in inner spray affects the mixture formation of diesel spray, and the combustion characteristics
of the diesel engines. In this study, the laser beam of 2-D plane was used in order to investigate 3-D structure of evaporative spray. The incident laser beam was offset on central axis of the spray. From the analysis of images taken by offset of laser beam, we examine formation mechanism of heterogeneous distribution of the diesel spray by vortex flow at the downstream of the spray. The images of liquid and vapor phase of tree spray are simultaneously taken by exciplex fluorescence method.
As a result. the branch-like structure consisted of heterogeneous distribution of the droplets forms high concentration of vapor phase at the periphery of droplets and the region of the spray tip in the structure.
목차
Abstract
1.Introduction
2.Experimental Apparatus and Procedure
3.Results and Discussion
4.Conclusions
References
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