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TECHNICAL PAPERS: Radiative Heat Transfer

An Adaptive Angular Quadrature for the Discrete Transfer Method Based on Error Estimation

[+] Author and Article Information
Hendrik K. Versteeg, Jonathan C. Henson, Weeratunge Malalasekera

Loughborough University, U.K.

J. Heat Transfer 125(2), 301-311 (Mar 21, 2003) (11 pages) doi:10.1115/1.1560148 History: Received March 28, 2002; Revised October 25, 2002; Online March 21, 2003
Copyright © 2003 by ASME
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Figures

Grahic Jump Location
Mesh element (i,j) with centroid ray and additional rays for gradient estimation
Grahic Jump Location
(a) Schematic of idealized jet flame problem; (b) Hemisphere mesh and intensity contours for irradiated point (0, −0.1, −0.25); and (c) Hemisphere mesh of concentrated source; irradiated point (0, −0.1, −0.25). Inset gives full hemisphere, diagram gives region within dotted line at 12× magnification relative to inset.  
Grahic Jump Location
(a) Square source patch location relative to irradiated point in unit cube. Patch side length l=1/9; (b) Hemisphere mesh for square patch problem with starting mesh Nθ=11,Nϕ=44; (c) Hemisphere mesh for square patch problem with starting mesh Nθ=22,Nϕ=88; and (d) Hemisphere mesh for square patch problem with starting mesh Nθ=44,Nϕ=176.
Grahic Jump Location
(a) Hemisphere mesh for point A (0,0,−1/2); (b) Hemisphere mesh for point B (−4/9, 0,−1/2); and (c) Hemisphere mesh for point C (−4/9,−4/9,−1/2).    

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