대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제20권1호
  • /
  • Pages.328-335
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  • 1996
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  • 1226-4881(pISSN)
  • /
  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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다공질 내부의 연소현상에 대한 수치적 연구( I )

A Numerical Study on the Combustion Phenmena in Porous Media( I )

  • 이용일 (한국과학기술원 기계공학과 대학원) ;
  • 신현동 (한국과학기술원 기계공학과)
  • Lee, Yong-Il (Dept. of Mechanical Engineering, Graduate School of Korea Advanced Institute of Science and Technology) ;
  • Sin, Hyeon-Dong (Dept. of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
  • 발행 : 1996.01.01
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초록

The one-dimensional flame analysis was carried out to understand the combustion phenomena in porous media. The downstream as well as upstream solution corresponding to upper and lower solutions could be obtained. While upper flame temperature gets higher, lower flame temperature gets lower, as the flame approaches the central part of the combustor. The reason why upstream flame and downstream flame exist at the same flow condition is that the regions where net heat recirculation is identical exist in upstream and downstream of the combustor. In order for the downstream flame to be stabilized, more heats needed to be recirculated towards upstream because of larger radiation loss of downstream flame.

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