Study of the Mixed Convection in a Horizontal Channel Heated from below

N. Mahfoud Sahraoui; Samir Houat; Nawal Saidi

doi:10.4028/www.scientific.net/AMM.789-790.398

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 789-790Study of the Mixed Convection in a Horizontal...

Study of the Mixed Convection in a Horizontal Channel Heated from below

Abstract:

In this work, a contribution to the modeling and numerical simulation of mixed convection in a horizontal channel heated from below is presented. The lattice Boltzmann model with double thermal populations (TLBM) is used with the D2Q9 model for the dynamic field and D2Q5 for the thermal field. A comparison of the results obtained by the lattice Boltzmann model with those of the literature is presented for an area stretching ratio B = H / L = 20, a Reynolds number Re = 10, Rayleigh Ra = 10⁴ and Peclet number Pe = 20/3. The streamlines and isotherms are presented for different periods of flow.

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Periodical:

Applied Mechanics and Materials (Volumes 789-790)

Pages:

398-402

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.789-790.398

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Online since:

September 2015

Authors:

N. Mahfoud Sahraoui, Samir Houat*, Nawal Saidi

Keywords:

Horizontal Channel, Mixed Convection, Thermal Lattice Boltzmann Method

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