Convective Heat Transfer in a Circular Annulus With Various Wall Heat Flux Distributions and Heat Generation

[+] Author and Article Information
O. A. Arnas

Mechanical Engineering Department, Louisiana State University, Baton Rouge, La. 70803

M. A. Ebadian

Mechanical Engineering Department, Southern University, Baton Rouge, La. 70813

J. Heat Transfer 107(2), 334-337 (May 01, 1985) (4 pages) doi:10.1115/1.3247419 History: Received April 15, 1983; Online October 20, 2009


Convective heat transfer for steady laminar flow between two concentric circular pipes with walls heated and/or cooled independently and subjected to uniform heat generation is presented in analytical closed form utilizing the linearized Navier-Stokes and energy equations. The flow field is hydrodynamically and thermally fully developed. The effect of heat generation is depicted in Fig. 1 where the ratio of the Nusselt number with heat generation to without heat generation is plotted against the radius ratio, the core size ω. It is seen that heat generation may have positive as well as negative effect on the Nusselt number.

Copyright © 1985 by ASME
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