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Non-uniformities in the distribution of the radiation sources on the surface of a radiating cavity may be reduced by geometrical averaging, that is by the fact that a given point upon a spherical capsule, enclosed within, sees an extended cavity area. The relationship between this reduction and the relative cavity/capsule size and the non-uniformity wavelength are investigated. The effects of smoothing by diffusion through emission and absorption are also evaluated for the cases of an optically thick emitting layer, and an optically thin one.

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Authors: CARUSO A, ENEA, Centro Ricerche Energia Frascati, Roma (IT);STRANGIO C, ENEA, Centro Ricerche Energia Frascati, Roma (IT)
Bibliographic Reference: Paper presented: International School of Physics, La Jolla (US), Feb. 4-6, 1991
Availability: Available from (1) as Paper EN 36640 ORA
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