Magneto-convective flow through a porous enclosure with Hall current and Thermal radiation effects : numerical study

Venkatadri, K, Beg, OA ORCID: and Kuharat, S 2022, 'Magneto-convective flow through a porous enclosure with Hall current and Thermal radiation effects : numerical study' , The European Physical Journal - Special Topics .

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This paper reports the numerical study of magnetohydrodynamic radiative-convective flow in a square cavity containing a porous medium with Hall currents. This study is relevant to hydromagnetic fuel cell design and thermofluidic dynamics of complex magnetic liquid fabrication in enclosures. The governing equations of this fluid system are solved by a finitedifference vorticity stream function approach executed in MATLAB software. A detailed parametric investigation of the impact of Rayleigh number (thermal buoyancy parameter), Hartman number (magnetic body force parameter), Darcy number (permeability parameter), Hall parameter and radiation parameter on the streamline, temperature contours, local Nusselt number along the hot wall and mid-section velocity profiles is computed. Validation with previous special cases in the literature is included. Hall current and radiative effects are found to significantly modify thermofluidic characteristics. From the numerical results, it is found that the magnetic field suppresses the natural convection only for small buoyancy ratios. But, for larger buoyancy ratio, the magnetic field is effective in suppressing the thermal convective flow.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Journal or Publication Title: The European Physical Journal - Special Topics
Publisher: EDP Sciences
ISSN: 1951-6355
Related URLs:
Depositing User: OA Beg
Date Deposited: 09 Jun 2022 11:15
Last Modified: 17 Aug 2022 08:00

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