Radiation transport with anisotropic scattering |
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Authors: | Arsalan Razani |
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Affiliation: | Department of Mechanical Engineering, Pahlavi University, Shiraz, Iran |
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Abstract: | Reflection and transmission of radiation with anisotropic scattering in considered, using an invariant-imbedding formulation of the transport equation. Extensive numerical calculations show that the results of the transport approximation, in which the scattering kernel is represented by an isotropic part and a forward scattered component, are useful for an isotropic incident source but they are not satisfactory for a monodirectional source, especially in the case of reflection for large and small incident angles. A modified transport approximation is proposed in which singly-scattered radiation is taken into account exactly and higher-order scatterings are obtained from the transport approximation. The results derived from the modified transport approximation are in good agreement with other calculations for the cases considered. |
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