The Sensitivity of Solar Transmittance, Reflectance and Absorptance to Selected Averaging Procedures and Solar Irradiance Distributions

[+] Author and Article Information
M. A. Lind

Pacific Northwest Laboratory, Richland, WA 99352

R. B. Pettit

Sandia Laboratories, Albuquerque, NM 87185

K. D. Masterson

Solar Energy Research Institute, Golden, CO 80401

J. Sol. Energy Eng 102(1), 34-40 (Feb 01, 1980) (7 pages) doi:10.1115/1.3266119 History: Received October 18, 1979; Online November 11, 2009


The sensitivity of the solar weighted optical properties of selected materials to different terrestrial solar spectral irradiance distributions and computational techniques has been investigated. The spectral transmittance, reflectance, and absorptance of typical materials employed in solar thermal conversion systems were used for the calculations. The values obtained for several different solar irradiance distributions and calculational methods show only small differences. A single terrestrial solar irradiance distribution is recommended for use as a standard.

Copyright © 1980 by ASME
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