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Article

Optical Durability of Candidate Solar Reflectors

[+] Author and Article Information
C. E. Kennedy

K. Terwilliger

National Renewable Energy Laboratory (NREL), 1617 Cole Boulevard, M/S 3321, Golden, CO 80401-3393

J. Sol. Energy Eng 127(2), 262-269 (Apr 25, 2005) (8 pages) doi:10.1115/1.1861926 History: Received April 28, 2004; Revised June 29, 2004; Online April 25, 2005
Copyright © 2005 by ASME
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References

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Jorgensen, G. J., Kim, H. M., and Wendelin, T. J., 1996, “Durability Studies of Solar Reflector Materials Exposed to Environmental Stresses,” Durability Testing of Nonmetallic Materials, ASTM STP 1294, edited by Robert J. Herling, American Society for Testing and Materials, Philadelphia, PA.
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Figures

Grahic Jump Location
Glass mirror architecture
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (93%) of Flabeg silvered thick-glass reflectors with proprietary multilayer paint system as a function of accelerated Ci65 WOM and outdoor exposure at APS, FLA, and NREL
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (93%) of Pilkington and Spanish silvered thick-glass reflectors with Cu-less back layer and Pb-free paint as a function of accelerated Ci65 and NREL outdoor exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (93%) of Pilkington and Spanish silvered thick-glass reflectors with Cu-less back layer, Pb-free paint, and four adhesives as a function of accelerated Ci65 exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (92%) of Naugatuck silvered thin-glass reflectors with copper back layer and Pb-free paint system as a function of accelerated Ci65 and outdoor exposure at APS, FLA, and NREL
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (92%) of Naugatuck silvered 1 mm thin-glass reflectors with low-Pb and no-Pb paint and with no substrate vs laminated to aluminum substrate with Mactac IF2012 and 3M 966 pressure sensitive adhesive as a function of accelerated Ci65 exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (92%) of Naugatuck silvered 1 mm thin-glass reflectors with low-Pb and no-Pb paint and with no substrate vs. laminated to aluminum substrate with Mactac IF2012 and 3M 966 pressure sensitive adhesive as a function of accelerated Ci65 exposure
Grahic Jump Location
% change from base-line 7 mm Specular reflectance at 660 nm (78%) of Alanod Miro/4270kk aluminized reflectors as a function of APS, FLA, and NREL outdoor exposure and accelerated Ci65 exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance of 3M ECP-305+ (94.5%) and 3M SS-95 (96%) as a function of NREL outdoor exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (93.5%) of ReflecTech Pilot-run and of Improved Commercial Prototype as a function of NREL and ACUVEX® outdoor exposure and accelerated Ci65 exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (96%) of SAIC ASRM construction with alumina roll-coated deposition rate of 5, 10, and 20 nm/s and batch-coated deposition rate of 1 nm/s as a function of outdoor exposure at NREL
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (96%) of SAIC ASRM construction with 1.5 μ m alumina deposited at 2 nm/s by batch process as a function of APS, FLA, and NREL outdoor exposure and accelerated Ci65 exposure
Grahic Jump Location
% change from base-line solar-weighted hemispherical reflectance (96%) of SAIC ASRM construction with alumina batch process deposition rate from 1 to 22.5 nm/s as a function of outdoor exposure at NREL

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