Convective Heat Losses From Flat-Plate Solar Collectors in Turbulent Winds

[+] Author and Article Information
R. J. Kind, D. H. Gladstone, A. D. Moizer

Department of Mechanical and Aeronautical Engineering, Carleton University, Ottawa, Canada, K1S 5B6

J. Sol. Energy Eng 105(1), 80-85 (Feb 01, 1983) (6 pages) doi:10.1115/1.3266350 History: Received January 07, 1982; Online November 11, 2009


This paper presents results for convective heat transfer coefficients on the surface of flat-plate solar collectors mounted on a single-family residential building and exposed to the wind. The results were obtained by testing a 1:32 scale model in highly turbulent nonuniform flows which simulated the natural wind. For full-scale conditions, the heat transfer coefficients are two to three times lower than those given by a commonly used correlation. The coefficients show some sensitivity to wind direction but are insensitive to the characteristics of the wind and to architectural details of the building.

Copyright © 1983 by ASME
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