Evaluation of effective emissivities of nonisothermal cavities
- 1 August 1983
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 22 (15) , 2322-2325
- https://doi.org/10.1364/ao.22.002322
Abstract
Local effective spectral and total emissivities of nonisothermal cavities having diffuse surfaces are evaluated. The effective emissivity of the cavity wall around the half-depth of a cylinder is little affected by a linear decrease or increase of temperature along the cavity axis because of a compensation effect. The nonisothermal effect on the integrated cavity emissivity changes considerably with cavity geometry for a given temperature distribution.Keywords
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