Experimental Results of Pitching Moment Tests on Parabolic-Trough Solar-Collector Array Configurations

[+] Author and Article Information
D. E. Randall, R. E. Tate, D. A. Powers

Sandia National Laboratories, Albuquerque, N.M. 87185

J. Sol. Energy Eng 106(2), 223-230 (May 01, 1984) (8 pages) doi:10.1115/1.3267584 History: Received June 07, 1983; Online November 11, 2009


Two wind-tunnel tests were conducted to investigate specifically the pitching moment characteristics of parabolic-trough solar-collector modules deployed within a collector array. The collector modules were located within various rows of a simulated array configuration to investigate shielding effects from upstream collector rows and/or windscreen fences. Selected fence configurations and fence spacing upstream from the initial array row were studied. The test results demonstrate that pitching moment is significantly reduced by shielding provided by upstream fencing or collector rows.

Copyright © 1984 by ASME
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