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Radiative Heat Transfer in Participating Medium and Dynamic Region Monte Carlo Method by Region Adaption

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  • Qing Ai
  • Hua Liu
  • Xinlin Xia
  • Chuang Sun
  • Ming Xie

Abstract

A dynamic region Monte Carlo method (DRMC) is proposed to simulate radiative heat transfer in participating medium. The basic principle and solution procedure of this method is described; radiative heat transfer in a two-dimensional rectangular region of absorbing, emitting, and/or scattering gray medium is analyzed. A comparison between DRMC and the traditional Monte Carlo method (TMC) is investigated by analyzing the simulated temperature distribution, the computing time, and the number of the sampling bundles. The investigation results show that, to compare with TMC, the DRMC can obviously reduce the computing time and storage capacity under the same solution precision for radiative transfer in optically thick medium; the DRMC allows bypassing the difficulties encountered by TMC in the limit of optically thick extinction.

Suggested Citation

  • Qing Ai & Hua Liu & Xinlin Xia & Chuang Sun & Ming Xie, 2015. "Radiative Heat Transfer in Participating Medium and Dynamic Region Monte Carlo Method by Region Adaption," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-12, March.
    • Handle: RePEc:hin:jnlmpe:304708
    DOI: 10.1155/2015/304708
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