EFFECTS OF PRODUCED COKE FISSURES AND VOLATILIZED GAS FLOW ON THE HEAT TRANSFER IN THE COKE OVEN.

Jun Fukai, Takatoshi Miura, Shigemori Ohtani

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7 Citations (Scopus)

Abstract

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. 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.

Original languageEnglish
Pages (from-to)629-636
Number of pages8
JournalTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume73
Issue number6
DOIs
Publication statusPublished - 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

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