한국안전학회지 (Journal of the Korean Society of Safety)

  • 제17권4호
  • /
  • Pages.61-65
  • /
  • 2002
  • /
  • 1738-3803(pISSN)
  • /
  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
권호 표지

닥트두께가 대향류 화염구조에 미치는 영향의 조사

Investigation of Effects of Duct Thickness an Counterflow Flam Structure

  • 박외철 (부경대학교 공과대학 안전공학과) ;
  • 고경찬 (부경대학교 공과대학 안전공학과)
  • Park, Woe-Chul (Department of Safety Engineering, Pukyong National University) ;
  • Ko, Kyung-Chan (Department of Safety Engineering, Pukyong National University)
  • 발행 : 2002.12.01
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초록

Nonpremixed counterflow flames at low strain rates, $ag=12s^{-1}$ and $12s^{-1}$, were numerically simulated to investigate the effects of the duct thickness on the flame structure in normal gravity. For small values of the duct thickness, the positions of the flame and stagnation point were highly sensitive to the duct thickness. When the duct thickness was greater than 6mm, however, the effects of the duct thickness on the flame structure were negligible. The computed temperature along the duct centerline agreed well with measurements.

키워드

참고문헌

  1. W.C. Paik, 'Computation of a Low Strain Rate CounterHow Flame in Nonnal and Zero Gmvity,' Korea Institute for Industrial Safety J., Vol. 17, No. 3, pp. 107-111, 2002
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  6. 박외철, '대향류 확산화염에 대한 직접수치모사의 검증,' 산업안전학회지, Vol. 16, NO. 4, pp.74-81, 2001