Thermal nonequilibrium and viscous dissipation in the thermal entrance region of a darcy flow with streamwise periodic boundary conditions / A. Barletta in Journal of heat transfer, Vol. 133 N° 7 (Juillet 2011)  

Public ISBD [article]  inJournal of heat transfer > Vol. 133 N° 7 (Juillet 2011) . - pp. [072602/1-7] Titre : Thermal nonequilibrium and viscous dissipation in the thermal entrance region of a darcy flow with streamwise periodic boundary conditions Type de document : texte imprimé Auteurs : A. Barletta, Auteur ; E. Rossi di Schio, Auteur ; L. Selmi, Auteur Année de publication : 2011 Article en page(s) : pp. [072602/1-7] Note générale : Physique Langues : Anglais (eng) Mots-clés : Porous medium Local thermal nonequilibrium Forced convection Viscous dissipation Darcy-Graetz Index. décimale : 536 Chaleur. Thermodynamique Résumé : The thermal entrance region in a plane-parallel channel filled by a fluid saturated porous medium is investigated with reference to steady forced convection and to a thermal boundary condition given by a wall temperature longitudinally varying with a sinusoidal law. The effect of viscous dissipation in the fluid is taken into account, and a two-temperature model is employed in order to evaluate separately the local fluid and solid matrix temperatures. The asymptotic temperature distributions are determined analytically. The governing equations in the thermal entrance region are solved numerically by a finite element method and by the method of lines. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO00013300 [...] [article] Thermal nonequilibrium and viscous dissipation in the thermal entrance region of a darcy flow with streamwise periodic boundary conditions [texte imprimé] / A. Barletta, Auteur ; E. Rossi di Schio, Auteur ; L. Selmi, Auteur . - 2011 . - pp. [072602/1-7]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 133 N° 7 (Juillet 2011) . - pp. [072602/1-7] Mots-clés : Porous medium Local thermal nonequilibrium Forced convection Viscous dissipation Darcy-Graetz Index. décimale : 536 Chaleur. Thermodynamique Résumé : The thermal entrance region in a plane-parallel channel filled by a fluid saturated porous medium is investigated with reference to steady forced convection and to a thermal boundary condition given by a wall temperature longitudinally varying with a sinusoidal law. The effect of viscous dissipation in the fluid is taken into account, and a two-temperature model is employed in order to evaluate separately the local fluid and solid matrix temperatures. The asymptotic temperature distributions are determined analytically. The governing equations in the thermal entrance region are solved numerically by a finite element method and by the method of lines. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JHTRAO00013300 [...]

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