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Natural convection in a vertical annulus driven by a central heat generating rod

Venkata Reddy, P and Narasimham, GSVL (2008) Natural convection in a vertical annulus driven by a central heat generating rod. In: International Journal of Heat and Mass Transfer, 51 (19-20). pp. 5024-5032.

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A numerical study of the conjugate natural convection in a vertical annulus with a centrally located vertical heat generating rod is performed. The formulation in primitive form is solved using a pressure-correction algorithm. A parametric study is conducted by varying the heat eneration based Grashof number, aspect ratio and the solid-to-fluid thermal conductivity ratio over wide ranges with the Prandtl number fixed at 0.7. Results are presented for the temperature distributions and Nusselt numbers. The average Nusselt numbers on the inner and outer boundaries show an increasing trend with the Grashof number. Correlations are presented for the Nusselt number and the dimensionless temperatures of interest in terms of the parameters of the problem.

Item Type: Journal Article
Publication: International Journal of Heat and Mass Transfer
Publisher: Elsevier
Additional Information: Copyright belongs to Elsevier.
Keywords: Conjugate natural convection;Heat generation;Vertical annulus
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 29 Oct 2009 08:45
Last Modified: 19 Sep 2010 04:52
URI: http://eprints.iisc.ac.in/id/eprint/16443

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