A continuous exchange factor method for the analysis of radiative exchange in gray enclosures with absorbing-emitting and isotropically scattering media and diffuse surfaces is developed. In this method two types of exchange function are defined: the direct exchange function and the total exchange function. Certain integral equations relating total exchange functions to direct exchange functions are developed. These integral equations are solved using a Gaussian quadrature integration method. The results obtained based on the present approach are found to be more accurate than those of the zonal method. Unlike the zonal method, in the present approach, there is no need for evaluation of multiple integrations for calculating direct exchange factors.
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A Continuous Exchange Factor Method for Radiative Exchange in Enclosures With Participating Media
M. H. N. Naraghi,
M. H. N. Naraghi
Department of Mechanical Engineering, Manhattan College, Riverdale, NY 10471
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B. T. F. Chung,
B. T. F. Chung
Department of Mechanical Engineering, The University of Akron, Akron, OH 44325
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B. Litkouhi
B. Litkouhi
Department of Mechanical Engineering, Manhattan College, Riverdale, NY 10471
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M. H. N. Naraghi
Department of Mechanical Engineering, Manhattan College, Riverdale, NY 10471
B. T. F. Chung
Department of Mechanical Engineering, The University of Akron, Akron, OH 44325
B. Litkouhi
Department of Mechanical Engineering, Manhattan College, Riverdale, NY 10471
J. Heat Transfer. May 1988, 110(2): 456-462 (7 pages)
Published Online: May 1, 1988
Article history
Received:
April 13, 1987
Online:
October 20, 2009
Citation
Naraghi, M. H. N., Chung, B. T. F., and Litkouhi, B. (May 1, 1988). "A Continuous Exchange Factor Method for Radiative Exchange in Enclosures With Participating Media." ASME. J. Heat Transfer. May 1988; 110(2): 456–462. https://doi.org/10.1115/1.3250507
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