Natural Convection Cooling of Vertical Rectangular Channels in Air Considering Radiation and Wall Conduction

[+] Author and Article Information
D. A. Hall

IBM Corporation, Mail Stop 4469, 11400 Burnet Road, Austin, TX 78758

G. C. Vliet

Mechanical Engineering, University of Texas at Austin, Austin, TX 78712

T. L. Bergman

Mechanical Engineering, University of Connecticut, Storrs, CN 06269-3139

J. Electron. Packag 121(2), 75-84 (Jun 01, 1999) (10 pages) doi:10.1115/1.2792671 History: Received June 08, 1998; Revised February 05, 1999; Online November 05, 2007


Temperature distributions on the surfaces of vertical channels formed by parallel plates heated uniformly and symmetrically and cooled by conduction, radiation, and natural convection in air are determined numerically and experimentally. Effects of wall separation, thickness, thermal conductivity, and emissivity on the wall temperature distribution are determined. Both cases of controlled and uncontrolled channel edge leading and exit edge temperatures are examined. Optimum channel widths and correlations for the maximum wall temperature rise are offered for both the controlled and uncontrolled edge temperature conditions.

Copyright © 1999 by The American Society of Mechanical Engineers
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