A Study on Combustion Characteristics of Synthetic Gas Air Lifted Premixed Flames with High Strain Rate in an Impinging Jet Combustion Field

합성가스의 충돌제트 연소장에서 고신장율 부상 예혼합화염 연소 특성 연구

  • 강기중 (순천대학교 우주항공공학과 대학원) ;
  • 박태준 (순천대학교 우주항공공학과 대학원) ;
  • 황철홍 (대전대학교 소방방재학과) ;
  • 이기만 (순천대학교 기계우주항공공학부)
  • Received : 2011.11.24
  • Accepted : 2012.01.11
  • Published : 2011.12.30


This paper presents both experimental and numerical investigation of the combustion characteristics of stretched premixed lift-off flames using synthetic gas($H_2$/CO) in an impinging burner. We used "Spin code" for numerical analysis. An ICCD camera was employed to measure flame location and flame thickness. The impinging surface temperature was affected by local strain rate K, equivalence ratio, and composition ratio of fuel. In spite of the difference of boundary conditions in experimental and numerical results, the tendencies of surface temperatures were agreed. From result of this work, we also found that flame location and flame thickness directly related to surface temperature are greatly affected by local strain rate K.



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