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Diagnosis of the behavior characteristics of the evaporative diesel spray by using images analysis
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  • Diagnosis of the behavior characteristics of the evaporative diesel spray by using images analysis
  • Diagnosis of the behavior characteristics of the evaporative diesel spray by using images analysis
저자명
Yeom. Jeong-Kuk
간행물명
Journal of mechanical science and technology
권/호정보
2008년|22권 9호|pp.1785-1792 (8 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In this study, the effects of change in injection pressure on spray structure have been investigated on the high temperature and pressure field. To analyze the structure of evaporative diesel spray is important in speculation of mixture formation process. Also emissions of diesel engines can be controlled by the analyzed results. Therefore, this study examines the evaporating spray structure in a constant volume chamber. The injection pressure is selected as the experimental parameter, is changed from 72 MPa to 112 MPa with a high pressure injection system (ECD-U2). The PIV (particle Image Velocimetry) technique was used to capture behavior variation of the evaporative diesel spray. Analysis of the mixture formation process of diesel spray was executed by the results of flow analysis in this study. Consequentially the large-scale vortex flow could be found in downstream spray and the formed vortex governs the mixture formation process in diesel spray.