노즐 홀 직경에 따른 단공 GDI 인젝터의 분무 특성 연구 - (1) 분사 및 거시적 분무특성 비교

박정현; 노승천; 상몽소; 박수한

한국분무공학회 한국분무공학회지 노즐 홀 직경에 따른 단공 GDI 인젝터의 분무 특성 연구 - (1) 분사 및 거시적 분무특성 비교

KCI 등재

노즐 홀 직경에 따른 단공 GDI 인젝터의 분무 특성 연구 - (1) 분사 및 거시적 분무특성 비교

Study on Spray Characteristics of Single-Hole GDI Injector according to Nozzle Hole Diameter - (1) Comparison of Injection and Macroscopic Spray Characteristics

박정현 ( Jeonghyun Park ) , 노승천 ( Seungcheon Ro ) , 상몽소 ( Mengzhao Chang ) , 박수한 ( Suhan Park )

한국분무공학회 2020.12

한국분무공학회지 25권 4호 145-153(9pages)

UCI I410-ECN-0102-2022-400-000403832

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초록

The purpose of this study is to compare the injection and spray characteristics of single-hole GDI injectors using injection rate and mie-scattering spray images. Five types of single-hole injectors with different nozzle hole diameters were used, and the spray rate, spray tip penetration, spray area, and spray width were analyzed. As a result, the diameter of the nozzle hole had a direct effect on the injection and spray characteristics. It was confirmed that the larger the diameter of the nozzle hole, the higher the injection quantity, the spray tip penetration, the spray area, and the spray width. In addition, it was confirmed that the near-field spray, which has little influence of ambient air, has a great correlation with the injection rate.

키워드

Gasoline direct injection

Spray characteristics

분무특성

1. 서 론
2. 실험장치 및 방법
3. 결과 및 고찰
4. 결 론
후 기
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