Chatterjee, Dipankar and Halder, Pabitra and Mondal, Sinchan and Bhattacharjee, Supratim (2013) Magnetoconvective transport in a vertical lid-driven cavity including a heat conducting square cylinder with Joule heating. Numerical Heat Transfer, Part A, 64. pp. 1050-1071. ISSN 1040-7782

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Abstract

The hydromagnetic mixed convection flow and heat transfer in a vertical lid-driven square enclosure is numerically simulated following a finite volume approach based on the SIMPLEC algorithm. Both the top and bottom horizontal walls of the enclosure are insulated, and the left and right vertical walls are kept isothermal with different temperatures. The left vertical wall is translating in its own plane at a uniform speed, while all other walls are stationary. Two cases of translational lid motion, viz. vertically upward and downward, are considered. A uniform magnetic field is applied along the horizontal direction normal to the translating wall. A heat conducting horizontal solid square cylinder is placed centrally within the outer enclosure. Simulations are conducted for various controlling parameters, such as the Richardson number (1� Ri� 10), Hartmann number (0� Ha � 50), and Joule heating parameter (0� J � 5), keeping the Reynolds number based on lid velocity fixed as Re¼ 100. The flow and thermal fields are analyzed through streamline and isotherm plots for various Ha, J, and Ri. Furthermore, the pertinent transport quantities such as the drag coefficient, Nusselt number, and bulk fluid temperature are also plotted to show the effects of Ha, J, and Ri on them.

Item Type:	Article
Subjects:	Computational fluid dynamics
Depositing User:	Dr. Sarita Ghosh
Date Deposited:	21 Sep 2016 09:48
Last Modified:	21 Sep 2016 09:48
URI:	http://cmeri.csircentral.net/id/eprint/299

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