Performance Benefits of the Direct Generation of Steam in Line-Focus Solar Collectors

[+] Author and Article Information
E. K. May, L. M. Murphy

Thermal Systems and Engineering Branch, Solar Energy Research Institute, Golden, Colo. 80401

J. Sol. Energy Eng 105(2), 126-133 (May 01, 1983) (8 pages) doi:10.1115/1.3266355 History: Received July 01, 1982; Online November 11, 2009


The performance benefits of the direct (in situ) generation of steam in the receiver tube of a line-focus solar collector are assessed in this paper. Compared to existing technology using steam-flash or unfired boiler systems, the in situ technique could reduce the delivered cost of steam in excess of 25 percent. The analysis indicates that two-phase flow instabilities, if present, can be readily controlled, and that the possibility of freezing is not an impediment to the use of water in cold climates.

Copyright © 1983 by ASME
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