Titre :
|
Radiative effect on natural convection flows in porous media
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Auteurs :
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A. Mohammadien ;
M. Mansour ;
S. Abd El gaied ;
AL Et
|
Type de document :
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article/chapitre/communication
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Année de publication :
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1998
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Format :
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p. 263-283
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Langues:
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= Anglais
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Catégories :
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SCIENCES FONDAMENTALES ET APPLIQUEES
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Mots-clés:
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MILIEU POREUX
;
TRANSFERT DE CHALEUR
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Résumé :
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A regular two-parameter perturbation analysis based upon the boundary layer approximation is presented here to study the radiative effects of both first- and second-order resistances due to a solid matrix on the natural convection flows in porous media. Four different flows have been studied, those adjacent to an isothermal surface, a uniform heat flux surface, a plane plume and the flow generated from a horizontal line energy source on a vertical adiabatic surface. The first-order perturbation quantities are presented for all these flows. Numerical results for the four conditions with various radiation parameters are tabulated.
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Source :
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Transport in porous media, vol.32, n°3
|