コークス炉内の熱移動に及ぼす生成コークスのき裂と発生ガス流れの影響

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タイトル別名
  • Effects of Produced Coke Fissures and Volatilized Gas Flow on the Heat Transfer in the Coke Oven
  • コークスロナイ ノ ネツ イドウ ニ オヨボス セイセイ コークス ノ キレツ

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抄録

A heat transfer model of the coke oven chamber is proposed considering the radiation within the macro fissures in the coke and the convection of the product gas.Contributions of the radiation and convection to the temperature distribution in the coke oven chamber are numerically observed under the various conditions concerning the fissure width and the direction of the gas flow. As a result, it is found that both of them cannot be neglected in the heat transfer analysis in the coke oven chamber since they have the significant effects on the temperature distribution.<BR>By using a newly proposed thermal property estimation method, the thermal conductivity and the heat capacity of coal are estimated from temperature distribution computed by the model mentioned above.Thermal properties of coal which are estimated from the temperature history in the coke oven chamber are suggested to be much different from the true values and to have no generality.

収録刊行物

  • 鉄と鋼

    鉄と鋼 73 (6), 629-636, 1987

    一般社団法人 日本鉄鋼協会

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