A Nonlinear Steady-State Characteristic Performance Curve for Medium-Temperature Solar Energy Collectors

[+] Author and Article Information
P. C. Eames, B. Norton

PROBE, Department of Building and Environmental Engineering, University of Ulster, Newtownabbey BT37 0QB, Northern Ireland

J. Sol. Energy Eng 113(3), 164-171 (Aug 01, 1991) (8 pages) doi:10.1115/1.2930488 History: Received July 01, 1990; Revised March 01, 1991; Online June 06, 2008


A numerical simulation model was employed to investigate the effects of ambient temperature and insolation of the efficiency of compound parabolic concentrating solar energy collectors. The limitations of presently used collector performance characterization curves were investigated and a new approach proposed. The major advantage of the new procedure over those employed previously is that different solar collector performance characteristics can now be readily normalized to a common set of environmental conditions. Thus, an equitable comparison may be made, in the context of the application conditions, of rating characteristics for disparate collectors which were obtained initially under different conditions.

Copyright © 1991 by The American Society of Mechanical Engineers
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