| 제목 |
직분식 가솔린 분무의 내부구조에 미치는 분위기 압력의 영향 |
| 분야 |
열유체 및 공조시스템(HVAC) |
| 언어 |
Korean |
| 저자 |
김덕줄(부산대학교), 최동석(한국과학기술원), 성기진(부산대학교) |
| Key Words |
Particle image velocimetry(입자 영상 속도계), Direct injection(직접 분사), Spray structure(분무구조), Vortex(와류), High-pressure swirl injection(와류형 고압 인젝터) |
| 초록 |
The objective of this study is to examine a DI(Direct Injection) gasoline spray development process under different ambient pressures using PIV(Particle Image Velocimetry). Fuel spray experiments were performed within a constant volume chamber. The spray structure, velocity maps, velocity and vorticity contours were obtained to investigate its spray characteristics. It was found that higher ambient pressure has a significant effect on radial growth of the spray. The position which has a maximum velocity moved from the spray edge to the spray center as ambient pressure was increased. Higher ambient pressure moved a maximum vorticity position upward of the spray. {{br}} |
| 원문(PDF) |
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