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The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Experimental Study on the Radiation Efficiency and Combustion Characteristics with Respective to the Mat Thickness and the Fuel Kinds in Metal-Fiber Burner

메탈화이버 버너에서 매트 두께와 연료 종류에 따른 복사 효율 및 연소 특성에 관한 실험적 연구

  • KIM, JAE HYEON (Department of Aerospace Engineering, Sunchon National University) ;
  • LEE, KEE MAN (School of Mechanical and Aerospace Engineering, Sunchon National University)
  • 김재현 (순천대학교 대학원 우주항공공학전공) ;
  • 이기만 (순천대학교 기계우주항공공학부)
  • Received : 2018.07.26
  • Accepted : 2018.10.30
  • Published : 2018.10.30
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Abstract

This study was conducted to investigate on the combustion characteristic with the effects of mat thickness and fuel kinds in a metal-fiber burner. The mode transition point is confirmed by the K value, which was defined as the rate of flow velocity and laminar burning velocity. The ($T^4_{sur}-T^4_{\infty}$) is highest at methane flame with 3 T thickness. Through the measurement of the unburned mixture temperature, the possibility of submerged flame in surface combustion burner was confirmed. The rapid emission of CO occurs nearby limit blow out (LBO) because of the increase of flow velocity. In case of NOx, the trend is similar with surface temperature. However, it also considered that the NOx emission is affected by residence time with flame position.

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References

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