Journal of ILASS-Korea (한국분무공학회지)

Institute for Liquid Atomization and Spray Systems-Korea (한국분무공학회)
권호 표지

Development of Gasoline Direct Swirl Injector III

직접분사식 가솔린 선회분사기 개발에 관한 연구 III

  • 박용국 (경북대학교 대학원 기계공학과) ;
  • 오재건 (두원공과대학 자동차공학과) ;
  • 이충원 (경북대학교 공과대학 기계공학부)
  • Published : 2001.12.31
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Abstract

The Gasoline Direct Injection(GDI) system has been highlighted due to the improvement of fuel consumption and the control of exhaust emission from gasoline engines. Main purpose of the present study is to measure spray characteristics of GDSI for real engine application. We have investigated experimentally spray tip penetration, spray angle, tip velocity and spatial spray distribution. Counter-rotating vortex grown on the spray surface plays an important role in the spray characteristics. Accordingly the spray tip penetration and tip velocity do not excess 50mm, 20m/s respectively, under 0.6MPa ambient pressure. the spray cone angle of GDSI have a same tendency to a simplex swirl atomizer.

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