Non-darcy mixed convection in a vertical porous channel with discrete heat sources at the walls

A. Hadim, G. Chen

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30 Scopus citations

Abstract

A numerical study of mixed convection in a parallel-plate vertical channel filled with a fluid-saturated porous medium and containing discrete heat sources at the walls is performed using the Brinkman-Forchheimer-extended Darcy model. The evolution of buoyancy-assisted mixed convection is examined for both the Darcy and the non-Darcy regimes. The results indicate that as the Darcy number is decreased, the location of flow separation from the cold wall did not change while reattachment moved further downstream. The Nusselt number increased with decreasing Darcy number and the effect of Darcy number is more pronounced over the first heat source and in the non-Darcy regime.

Original languageEnglish
Pages (from-to)377-387
Number of pages11
JournalInternational Communications in Heat and Mass Transfer
Volume21
Issue number3
DOIs
StatePublished - 1994

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