Abstract

There exist various numerical techniques for computing radiative transfer in combustion systems. The discrete transfer model is applied to solve the radiative heat transfer problem in two- and three-dimensional rectangular enclosures containing absorbing-emitting and scattering media. Results obtained with this technique are compared with other well-established methods. Geometries and surface and gas properties were used in a wide variety of situations to understand the performances of the method better. Required computer times and number of iterations are also reported as a function of number of rays, size of the grid, wall emissivity, and gas scattering coefficient. 16 refs., 4 figs.

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