Effects of Rayleigh Number on MHD Heat Transfer and Fluid Flow in Two-Dimensional Open Square Cavity with Heat GenerationReportar como inadecuado




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The present work isdevoted to investigating heat transfer and fluid flow in a two dimensionalsquare open cavity containing a heated circular cylinder at the centre. Aconstant heat flux is set at the left sidewall; high and low temperatures arefixed at the bottom and top walls of the cavity respectively. The right side ofthe cavity is open. Galerkin Weighted Residual Finite Element Analysis is usedto visualize the heat transfer and fluid flow solving two-dimensional governingmass, momentum and energy equations for steady state, heat transfer and fluidflow in presence of magnetic field in side an open square cavity. A uniformlyheated circular cylinder is placed at the centre of the cavity as a heatsource. To find the effects of Rayleigh number Ra on the thermal fields andfluid flow in presence of magnetic field and a heated circular cylinder as heatsource by visualization and line graphs is the objective of this study.Numerical results are presented in graphical and tabular form. The study isconducted for different values of Rayleigh number, some fixed Hartmann numbersHa and heat flux q. In the conclusion it has been observed that the temperature field and fluid flow pattern are functions ofthe parameters Rayleigh number and Hartmann number.

KEYWORDS

Natural Convection, Rayleigh Number, Hartmann Number, MHD, Heated Cylinder, Open Cavity, Heat Flux

Cite this paper

Hossain, S. , Alim, M. and Saha, S. 2016 Effects of Rayleigh Number on MHD Heat Transfer and Fluid Flow in Two-Dimensional Open Square Cavity with Heat Generation. American Journal of Computational Mathematics, 6, 1-16. doi: 10.4236-ajcm.2016.61001.





Autor: Sheikh Anwar Hossain1, Mohammad Abdul Alim2, Satrajit Kumar Saha3

Fuente: http://www.scirp.org/



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