Verification of Two-Dimensional Monte Carlo Ray-Trace Methodology in Radiation Heat Transfer Analysis

10/11/2018

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by   Mehran Yarahmadi, et al.

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Despite the frequent appearance in the radiation heat transfer literature of articles describing Monte Carlo ray-trace (MCRT) applications to two-dimensional enclosures, no formal verification may be found of the method commonly used to determine the directional distribution of diffuse emission and reflection when estimating two-dimensional radiation distribution factors. Considered are two methods for determining the direction cosines in this situation. The results are shown to be in agreement with those obtained in the limiting case of a three-dimensional enclosure as one of its dimensions is increased.