Radiative Properties of Interacting Particles

[+] Author and Article Information
M. A. Al-Nimr, V. S. Arpaci

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109

J. Heat Transfer 114(4), 950-957 (Nov 01, 1992) (8 pages) doi:10.1115/1.2911906 History: Received July 01, 1991; Revised April 01, 1992; Online May 23, 2008


Two statistical models for the radial distribution function are proposed. In terms of these models, analytical expressions for the radiation efficiency factors of random homogeneous systems are derived. The Planck and Rosseland mean absorption coefficients are evaluated and the ratio of dependent over independent mean absorption coefficients is given. The role of the far-field and the near-field effects on radiation is investigated. The near-field effect on the scattered radiation is found to be negligible compared to the far-field effect. The effect of particle interaction is demonstrated by a simple transport problem.

Copyright © 1992 by The American Society of Mechanical Engineers
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