Melting heat transfer analysis on magnetohydrodynamics buoyancy convection in an enclosure : a numerical study

Venkatadri, K, Abdul Gaffar, S, Reddy, MS, Prasad, VR, Khan, MH and Beg, OA ORCID: https://orcid.org/0000-0001-5925-6711 2020, 'Melting heat transfer analysis on magnetohydrodynamics buoyancy convection in an enclosure : a numerical study' , Journal of Applied and Computational Mechanics, 6 (1) , pp. 52-62.

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Abstract

Therollof melting heat transfer on magnetohydrodynamic natural convection in a square enclosurewithheatingof the bottom wall is examinednumericallyin this article.The dimensionlessgoverning partial differential equations are transformed into vorticity and stream functionformulationand then solved using the finite difference method(FDM). The effects of thermal Rayleigh number(Ra), melting parameter(M) and Hartmann number(Ha) are illustrated graphically.With an increasing melting parameter and Rayleigh number, the rate of fluid flow and temperature gradients are seen to increase. And in the presence of magnetic field, the temperature gradient reduces and hence the conductionmechanism dominated for larger Ha. Greater heat transfer rate is observed in the case of uniform heating compared with non-uniform case. The average Nusselt number reduces with increasing magnetic parameterin the both cases of heating of bottom wall.

Item Type:	Article
Schools:	Schools > School of Computing, Science and Engineering
Journal or Publication Title:	Journal of Applied and Computational Mechanics
ISSN:	2383-4536
Depositing User:	OA Beg
Date Deposited:	17 Jun 2019 08:14
Last Modified:	24 Jan 2020 08:32
URI:	http://usir.salford.ac.uk/id/eprint/51560

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