동축 스월형 분사기에서 충돌 모델 연구

A Study of Collision Model in Coaxial Swirl Injector

  • 문윤완 (한국항공우주연구원 엔진팀) ;
  • 설우석 (한국항공우주연구원 엔진팀) ;
  • 윤영빈 (서울대학교 기계항공공학부)
  • 발행 : 2008.03.26

초록

In this study the effect of collision model was evaluated in spray field by CFD. A collision is basically the interaction between droplets and criteria of collision is determined by drop Weber number, impact parameter, and drop-size ratio. Early developed collision model considered coalescence and grazing collision with the exchange of momentum. However in experimental research there were bouncing, coalescence, reflexive separating and stretching separating in interaction between droplets. In this study the collision considering such complex phenomena is modeled and was compared with the basic collision model.

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