Open Access

ARTICLE

Combined Thermal Radiation and Laminar Mixed Convection in a Square Open Enclosure with Inlet and Outlet Ports

Mohamed Ammar Abbassi^1,2, Kamel Halouani¹, Xavier Chesneau³, Belkacem Zeghmati³

1 METS-IESG-ENIS, IPEIS, University of Sfax, B.P:1172 – 3018 – Sfax – Tunisie
2 Corresponding author, Fax : +216 74 246 347; Email: MedAmmar.Abbassi@enim.rnu.tn
3 LAMPS-GME, University of Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan Cedex France

Fluid Dynamics & Materials Processing 2011, 7(1), 71-96. https://doi.org/10.3970/fdmp.2011.007.071

Abstract

Mixed convection inside a square cavity with inlet and outlet ports is numerically simulated considering thermal radiation effect. The non dimensional transfer equations, based on Boussinesq assumption and the radiative heat transfer equation are solved by the finite-volume-method and the TDMA algorithm. Results, presented for a gray fluid and a wide range of dimensionless numbers; Reynolds (Re=10-1000), Richardson (Ri=0-0.01), Boltzmann (Bo=0.1-100), radiation to conduction parameter (Rc=0.1-100), and optical thickness (τ = 0.1-10) show that the radiation significantly affects temperature distribution. Streamlines are also sensitive to radiative parameters (as optical thickness) but less than temperature.

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Keywords

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