POROUS SUBSTRATE EFFECTS ON THERMAL FLOWS THROUGH A REV-SCALE FINITE VOLUME LATTICE BOLTZMANN MODEL

Ahad Zarghami (), Silvia Di Francesco and Chiara Biscarini
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Ahad Zarghami: Department of Engineering, Science and Research Branch, Islamic Azad University, Fars, Iran;
Silvia Di Francesco: Niccolò Cusano University, Via Don Carlo Gnocchi, Rome, Italy
Chiara Biscarini: WARREDOC, University for Foreigners, Perugia, Italy

International Journal of Modern Physics C (IJMPC), 2014, vol. 25, issue 02, 1-21

Abstract: In this paper, fluid flows with enhanced heat transfer in porous channels are investigated through a stable finite volume (FV) formulation of the thermal lattice Boltzmann method (LBM). Temperature field is tracked through a double distribution function (DDF) model, while the porous media is modeled using Brinkman–Forchheimer assumptions. The method is tested against flows in channels partially filled with porous media and parametric studies are conducted to evaluate the effects of various parameters, highlighting their influence on the thermo-hydrodynamic behavior.

Keywords: Lattice Boltzmann method; porous medium; Nusselt number; Brinkmann–Forchheimer model; Darcy number; 47.20.Ky; 47.11.Df (search for similar items in EconPapers)
Date: 2014
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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DOI: 10.1142/S0129183113500861

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