On Natural Convective Heat Transfer in Vertical Channels With a Single Surface Mounted Heat-Flux Module

[+] Author and Article Information
G. Desrayaud

LETEM/INSSET, Université de Picardie, 48 rue Raspail BP 422, 02109 Saint-Quentin, France

A. Fichera

DIIM, Università di Catania, Viale A. Doria 6 95125 Catania, Italy

J. Heat Transfer 125(4), 734-739 (Jul 17, 2003) (6 pages) doi:10.1115/1.1532016 History: Received January 04, 2001; Revised October 08, 2002; Online July 17, 2003
Copyright © 2003 by ASME
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Computational domain and coordinate system
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Streamlines (a, b, c) and isotherms (d, e, f ) for three different Rayleigh numbers, h*=1,w*=0.25,A=5,Pr=0.71
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Streamlines for various sizes of the heated module, Ra=5 105,Pr=0.71,A=5
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Temperature variation of the heat flux module versus its width for two Rayleigh numbers, A=5,Pr=0.71
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Numerical versus predicted module temperature for the correlation (7). The straight line is the line of equality between prediction and numerical experiments, and the broken lines are +/−5 percent




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