Stretched-Membrane Heliostat Technology

[+] Author and Article Information
L. M. Murphy

Solar Energy Research Institute, Golden, Colorado 80401

J. Sol. Energy Eng 108(3), 230-238 (Aug 01, 1986) (9 pages) doi:10.1115/1.3268098 History: Received March 01, 1985; Online November 11, 2009


The stretched-membrane concept is a potentially low-cost and structurally efficient method of attaining and supporting a large, optically accurate surface for heliostat applications. In this concept, a high-strength structural film coated with a highly reflective surface is stretched uniformly on a torroidal frame. Prior and current research, directed at allowing the full potential of this novel concept to be realized, is described. Technical issues and results described include membrane attachment approaches, focusing, and the numerous structural response mechanisms specific to this concept.

Copyright © 1986 by ASME
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