Successive improvement of the modified differential approximation in radiative heat transfer

C. Y. Wu, W. H. Sutton, T. J. Love

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

A modified differential approximation proposed by Olfe is extended to the treatment of a medium with isotropic scattering and boundary reflection. The method can be used to readily generate successive improvement of the solutions. In this work, the basic procedure is demonstrated by computing the transmissivity and hemispherical reflectivity of an absorbing, isotropically scattering slab with a reflecting boundary. Comparison of present computational results with existing exact solutions shows that, in general, the modified differential approximation is superior to the unmodified differential approximation, and that one or two applications of the improvement of the modified differential approximation produces results very close to the exact solution. The present method also gives accurate solutions for an optically-thin medium. The general concept of the current method appears to be adaptable to the treatment of multidimensional cases.

原文English
頁(從 - 到)296-300
頁數5
期刊Journal of thermophysics and heat transfer
1
發行號4
DOIs
出版狀態Published - 1987

All Science Journal Classification (ASJC) codes

  • 凝聚態物理學
  • 航空工程
  • 機械工業
  • 流體流動和轉移過程
  • 空間與行星科學

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