A demonstration of the use of computational methods in radiative transfer problems. This Memorandum presents some simple algebraic relationships between source functions, as well as transmitted, reflected, and internal intensities, for a finite slab bounded by a perfect specular reflector and for the same slab bounded by a completely absorbing layer. Idealized models are used to derive simple analytical expressions. These expressions are evaluated numerically as a check on the diffusely reflected intensities. 18 pp. Refs. (KB)
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