Technical Briefs

Forced Convection in a Polygonal Duct With a Circular Core

[+] Author and Article Information
C. Y. Wang

Department of Mathematics and Department Mechanical Engineering, Michigan State University, East Lansing, MI 48823cywang@mth.msu.edu

J. Heat Transfer 133(4), 044506 (Jan 19, 2011) (4 pages) doi:10.1115/1.4003058 History: Received May 03, 2010; Revised November 14, 2010; Published January 19, 2011; Online January 19, 2011

The H1 forced convection through a regular polygonal duct with a centered core is studied using eigenfunction expansions and point match. Accurate Nusselt numbers for the full range of core radii are presented.

Copyright © 2011 by American Society of Mechanical Engineers
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Grahic Jump Location
Figure 1

(a) Cross section of the polygonal duct with a circular core. (b) The computational region.

Grahic Jump Location
Figure 2

Nusselt numbers for various polygons and core sizes. Dashed curves are results from Refs. 4-5 and reported in Ref. 1



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