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LATTICE BOLTZMANN SIMULATION OF THERMAL NON-EQUILIBRIUM FORCED CONVECTIVE FLOW AND ENERGY STORAGE IN A POROUS CHANNEL

DOI: 10.1615/ICHMT.2014.IntSympConvHeatMassTransf.320
pages 439-449

Baycain Amami
Monastir University National School of Engineers, Laboratory of Thermal and Energy Systems Studies IbnEljazza Street, 5019 Monastir, Tunisia

Hussein El Abrach
Monastir University, National School of Engineers, Ibn Eljazzar Street, 5019, Monastir, Tunisia

Hacen Dhahri
Laboratory of Thermal and Energy Systems Studies, National School of Engineers, Monastir University, Monastir, Tunisia

Abdallah Mhimid
University of Monastir, Thermal System Energetic Laboratory Research (LESTE), National School Engineering of Monastir, Avenue Ibn Jazzar, 5019 Tunisia

Аннотация

The present research focuses on studying forced convection and thermal energy storage in a channel filled with a homogenous, isotropic and saturated porous medium for uniform flow with insulated walls. The flow in the porous material is governed by the Brinkman-Lapwood-Foechheimer-extended-Darcy model. The energy transport model was based on the local thermal non-equilibrium assumption between fluid and solid phases. Numerical simulation was carried on using Lattice Boltzmann Method (LBM).The effects of Biot number, modified thermal conductivity ratio and Darcy number on heat transfer and thermal performance of the considered system for energy storage are investigated through this paper.

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