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Lattice Boltzmann method for natural convection of a Bingham fluid in a porous cavity

Kefayati, GHR ORCID: 0000-0001-9757-8260 2019 , 'Lattice Boltzmann method for natural convection of a Bingham fluid in a porous cavity' , Physica A, vol. 521 , pp. 146-172 , doi: 10.1016/j.physa.2019.01.044.

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Abstract

In this paper, natural convection in a porous cavity filled with Bingham fluids has been simulated numerically. In order to study the problem, an innovative Lattice Boltzmann method for porous media of Bingham fluid is introduced. In this study, the Papanastasiou regularisation of the Bingham constitutive model has been applied for the studied Bingham fluid and moreover the Darcy-Brinkman-Forchheimer model has been employed for the porous media. Fluid flow, heat transfer, and yielded/unyielded parts have been conducted for certain pertinent parameters of Rayleigh number (Ra = 104 - 107), Darcy number (Da = 10-2, 10-4, 10-6), and porosity (

Item Type: Article
Authors/Creators:Kefayati, GHR
Keywords: Bingham fluid, porous media, natural convection, LBM
Journal or Publication Title: Physica A
Publisher: Elsevier Science Bv
ISSN: 0378-4371
DOI / ID Number: 10.1016/j.physa.2019.01.044
Copyright Information:

Copyright 2019 Elsevier B.V.

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