Analysis of radiation heat transfer using the Radiation Element Method by Ray Emission Model, REM2, is described. The REM2 is a generalized numerical method for calculating radiation heat transfer between absorbing, emitting and scattering media and specular surfaces with arbitrary three–dimensional configurations. The ray emission model for various radiation elements is expressed by polyhedrons and polygons. Arbitrary thermal conditions can be specified for each radiation element, and generalized radiation transfer can be achieved for both of surface and volume elements by introducing a new definition of view factors. The accuracy of the present method is verified using simple configurations. A cubic participating medium with a spherical cavity covered with specular and diffuse surfaces is analyzed as an example of an arbitrary configuration. The temperature distribution shows good accuracy with a small number (45) of rays emitted from each element compared with the Monte Carlo method.
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Radiation Heat Transfer of Arbitrary Three–Dimensional Absorbing, Emitting and Scattering Media and Specular and Diffuse Surfaces
S. Maruyama,
S. Maruyama
Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980, Japan
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T. Aihara
T. Aihara
Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980, Japan
Search for other works by this author on:
S. Maruyama
Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980, Japan
T. Aihara
Institute of Fluid Science, Tohoku University, 2-1-1 Katahira, Aoba-Ku, Sendai 980, Japan
J. Heat Transfer. Feb 1997, 119(1): 129-136 (8 pages)
Published Online: February 1, 1997
Article history
Received:
October 9, 1995
Revised:
August 27, 1996
Online:
December 5, 2007
Citation
Maruyama, S., and Aihara, T. (February 1, 1997). "Radiation Heat Transfer of Arbitrary Three–Dimensional Absorbing, Emitting and Scattering Media and Specular and Diffuse Surfaces." ASME. J. Heat Transfer. February 1997; 119(1): 129–136. https://doi.org/10.1115/1.2824077
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