A Comparative Study of Methods for Computing the Diffuse Radiation Viewfactors for Complex Structures

[+] Author and Article Information
A. F. Emery, O. Johansson, M. Lobo, A. Abrous

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195

J. Heat Transfer 113(2), 413-422 (May 01, 1991) (10 pages) doi:10.1115/1.2910577 History: Received January 04, 1990; Revised July 16, 1990; Online May 23, 2008


Several different numerical methods for calculating diffuse radiation viewfactors are described. Each is applied to a range of surface configurations, from almost completely unobstructed to a dense set of intersecting surfaces. The speed, accuracy, and unique characteristics are discussed in order to define optimal methods for different surface geometries.

Copyright © 1991 by The American Society of Mechanical Engineers
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