Thermal Radiation Energy Exchange Shape Factors for Non-Lambertonian Surfaces

[+] Author and Article Information
Roy W. Blanton

School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Ga.

K. G. Picha

School of Mechanical Engineering, Georgia Institute of Technology

J. Heat Transfer 84(3), 271-272 (Aug 01, 1962) (2 pages) doi:10.1115/1.3684369 History: Received April 30, 1962


Real surfaces involved in thermal radiation exchange processes do not emit or reflect radiation with equal intensity in all directions, i.e., the surfaces are not diffuse. Shape factors for two geometrical cases for surfaces which are electrical conductors are presented as well as an estimate of the error resulting from assumed Lambertonian radiation emission for one case.

Copyright © 1962 by ASME
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