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Journal of Shanghai University >

2018 , Vol. 24 >Issue 3: 378 - 391

DOI: https://doi.org/10.12066/j.issn.1007-2861.1871

Research Paper

Turbulent flow and heat transfer in a channel with porous media

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  • Shanghai Institute of Applied Mathematics and Mechanics, Shanghai University, Shanghai 200072, China

Received date: 2016-08-12

  Online published: 2018-06-27

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Abstract

Turbulent flow and heat transfer in a channel with two parallel porous walls are reported. The Darcy-Brinkman-Forcheimer (DBF) acting model based on volume averaged hypothesis is added to the Navier-Stokes equation to simulate the flow bounded by porous media. The effects of porosity and Darcy numbers on skin-friction drag as well as Nusselt numbers are studied. The results on statistical quantities for flow field and temperature field show that the skin-friction drag decreases as the porosity becomes larger, and the Nusselt numbers may increase leading to enhancement of heat transfer efficiency when the Darcy number increases.

Key words： porous media; wall-bounded turbulence; drag reduction; heat transfer

Cite this article

ZHANG Yifan, LIU Caixi, DONG Yuhong . Turbulent flow and heat transfer in a channel with porous media[J]. Journal of Shanghai University, 2018 , 24(3) : 378 -391 . DOI: 10.12066/j.issn.1007-2861.1871

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