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RESEARCH PAPERS

Heat Transfer During Wind Flow over Rectangular Bodies in the Natural Environment

[+] Author and Article Information
F. L. Test, R. C. Lessmann, A. Johary

Department of Mechanical Engineering and Applied Mechanics, University of Rhode Island, Kingston, RI 02881

J. Heat Transfer 103(2), 262-267 (May 01, 1981) (6 pages) doi:10.1115/1.3244451 History: Received August 18, 1980; Online October 20, 2009

Abstract

An experimental investigation has been performed to determine the constant temperature heat transfer behavior on the upper surface of a rectangular plate with a chord length of 122 cm (48 in.), a width of 81.3 cm (32 in.) and a thickness aspect ratio of 6/1. Special side attachments were made in order to maintain approximately two-dimensional flow over the finite width body when exposed to varying wind directions. The angle of attack was 40 deg or greater. Quasi-local values of STRe were found to be 200 percent higher than wind tunnel values and 300 percent higher than analytical predictions. The disturbance intensity of the wind flow was in the range of 20 to 50 percent and is thought to be related to the increase in heat transfer since the flow over the plate was found to be laminar.

Copyright © 1981 by ASME
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