Hybrid LBM-MRT model coupled with finite difference method for double-diffusive mixed convection in rectangular enclosure with insulated moving lid

Soufiene Bettaibi, Frédéric Kuznik and Ezeddine Sediki

Physica A: Statistical Mechanics and its Applications, 2016, vol. 444, issue C, 311-326

Abstract: This paper presents a numerical study of thermosolutal mixed convection in rectangular enclosure with sliding top lid. The fluid flow is solved by the multiple relaxation time (MRT) lattice Boltzmann method (LBM), whereas the temperature and concentration fields are computed by finite difference method (FDM). The main objective of this study is to investigate the accuracy and the effectiveness of such model to predict thermodynamics for heat and mass transfer in a driven cavity. This model is validated with different numerical methods in the current literature. A good agreement is obtained between our results and previous works. The different comparisons demonstrate the robustness and the accuracy of the proposed approach.

Keywords: MRT-Lattice Boltzmann method; Hybrid scheme; Finite difference method; Double-diffusive mixed convection; Lid-driven cavity (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:444:y:2016:i:c:p:311-326

DOI: 10.1016/j.physa.2015.10.029

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