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Magnetic Field Effect on Mixed Convection Heat Transfer in a Lid-Driven Rectangular Cavity

CFD Letters
Volume 12, No. 1, January 2020, Pages 13-21

Norhaliza Abu Bakar1, Rozaini Roslan2,*, Arash Karimipour3

1 Department of Science and Mathematics, Centre for Diploma Studies, Universiti Tun Hussein Onn Malaysia, 84600 Pagoh, Johor, Malaysia
2 Centre for Research in Computational Mathematics, Faculty of Sciences and Technology, Universiti Tun Hussein Onn Malaysia, 84600 Pagoh, Johor, Malaysia
3 Department of Mechanical Engineering, Faculty of Engineering, Najafabad Branch Islamic Azad University, 8514143131 Isfahan, Iran
*Corresponding author: rozaini@uthm.edu.my

KEYWORDS

Cavity; finite volume method; lid-driven; magnetic field; mixed convection

ABSTRACT

This study aims to analyze numerically the fluid flow and heat transfer in a two-dimensional (2D) rectangular cavity in the presence of magnetic field. The bottom and top cavity walls are kept at Th and Tc respectively, where Th> Tc. Meanwhile, the vertical walls are insulated. The top wall is moving at a constant speed in the positive horizontal direction. The dimensionless governing equations are solved using the finite volume method and the SIMPLE algorithm. The influence of Hartmann number (Ha) (ranges from 0 to 60) on the thermal characteristics and fluid flow is analyzed. The simulated streamlines and isotherm plots, as well as the variation of local Nusselt numbers, are then presented. It is found that the Ha has a significant effect on the fluid flow structure and temperature field. As Ha increases, the flow convection is attenuated and therefore the heat transfer rate decreases.

CITE THIS ARTICLE

MLA
Norhaliza, Abu Bakar, et al. “Magnetic Field Effect on Mixed Convection Heat Transfer in a Lid-Driven Rectangular Cavity.” CFD Letters 12.1 (2020): 13-21.

APA
Norhaliza, A. B., Rozaini, R., Arash, K.(2020). Magnetic Field Effect on Mixed Convection Heat Transfer in a Lid-Driven Rectangular Cavity. CFD Letters, 12(1), 13-21.

Chicago
Norhaliza Abu Bakar, Rozaini Roslan and Arash Karimipour.”Magnetic Field Effect on Mixed Convection Heat Transfer in a Lid-Driven Rectangular Cavity.” CFD Letters. 12, no. 1 (2020): 13-21.

Harvard
Norhaliza, A.B., Rozaini, R., & Arash, K., 2020. Magnetic Field Effect on Mixed Convection Heat Transfer in a Lid-Driven Rectangular Cavity. CFD Letters 12(1), pp. 13-21.

Vancouver
Norhaliza AB, Rozaini R, Arash K. Magnetohydrodynamic (MHD) Slip Darcy Flow of Viscoelastic Fluid Over A Stretching Sheet and Heat Transfer with Thermal Radiation and Viscous Dissipation. CFD Letters. 2020;12(1): 13-21.

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