Passive Cooling Measurements for a Concentrating Photovoltaic Array

[+] Author and Article Information
F. K. Deaver

Department of Mechanical Engineering and Engineering Science, University of Arkansas, Fayetteville, Ark. 72701

M. W. Edenburn

Sandia National Laboratories, Albuquerque, N.M. 87185

J. Sol. Energy Eng 105(4), 413-417 (Nov 01, 1983) (5 pages) doi:10.1115/1.3266401 History: Received May 28, 1982; Online November 11, 2009


Solar cells in a concentrating photovoltaic array absorb heat that must be removed. One method is to use a finned aluminum heat exchanger whose modeling requires estimating the coefficient of heat transfer from fins to surroundings; transfer depends on such parameters as windspeed and direction, and exchanger design. A transient analytical model has been constructed and applied to experimental data. Coefficients of heat transfer were calculated and correlated with windspeed and direction, which appear to have a definite effect on the overall coefficient. The transient model and apparent relationships between windspeed and convective coefficients are described.

Copyright © 1983 by ASME
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