Document ID: 19920070407 A (92A53031) File Series: Open Literature

Report Number: None

Sales Agency & Price: Issuing Activity - Copyright

Authors: Siegel, R. (NASA Lewis Research Center), Spuckler, C. M. (NASA Lewis Research Center)

Journal Title: ASME, Transactions, Journal of Heat Transfer

Volume: 114 Issue: 3, Au

Published: Aug 01, 1992

Corporate Source: NASA Lewis Research Center (Cleveland, OH, United States)

Pages: 4

Contract Number: None

NASA Subject Category: FLUID MECHANICS AND HEAT TRANSFER

Abstract:

The effect of the index of refraction on the temperature distribution and radiative heat flux in semitransparent materials, such as some ceramics, is investigated analytically. In the case considered here, a plane layer of a ceramic material is subjected to external radiative heating incident on each of its surfaces; the material emits, absorbs, and isotropically scatters radiation. It is shown that, for radiative equilibrium in a gray layer with diffuse interfaces, the temperature distribution and radiative heat flux for any index of refraction can be obtained in a simple manner from the results for an index of refraction of unity.

Major Subject Terms:

CERAMICS RADIATION ABSORPTION

RADIATIVE HEAT TRANSFER

REFRACTIVITY THERMAL EMISSION

TRANSPARENCE

Minor Subject Terms:

CONVECTIVE HEAT TRANSFER HEAT FLUX

MELTING OPTICAL THICKNESS

PRANDTL NUMBER TEMPERATURE

DISTRIBUTION

Language Note: English

Notes: ASME, Transactions, Journal of Heat Transfer (ISSN 0022-1481), vol. 114, no. 3, Aug. 1992, p. 781-784.

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