Radiative Transfer From a Gray, Absorbing-Emitting, Isothermal Medium in a Conical Enclosure

[+] Author and Article Information
Deborah A. Kaminski

Department of Mechanical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

J. Sol. Energy Eng 111(4), 324-329 (Nov 01, 1989) (6 pages) doi:10.1115/1.3268330 History: Received November 10, 1988; Revised July 14, 1989; Online November 11, 2009


Radiative heat transfer from an isothermal participating medium in a truncated, conical enclosure is investigated numerically. Two methods of solution are employed: the Monte-Carlo technique and the P 1 differential approximation. The solution to the P 1 representation is obtained from a control-volume-based discretization of the governing equation. The medium is assumed to be gray and nonscattering, and the absorption coefficient and temperature are uniform throughout the medium. Overall and local heat flux rates at the walls predicted by the P 1 method are compared to the quasi-exact results of the Monte-Carlo solution. Results are obtained for a variety of optical thicknesses and cone shapes.

Copyright © 1989 by ASME
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