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Simplified analysis of solar-weighted specular reflectance for mirrors with high specularity

: Fernandez-Garcia, A.; Sutter, F.; Heimsath, A.; Montecchi, M.; Sallaberry, F.; Peña-Lapuente, A.; Delord, C.; Martínez-Arcos, L.; Reche-Navarro, T.J.; Schmid, T.; Heras, C.


Rajpaul, Vikesh (Ed.):
21st SolarPACES International Conference, SolarPACES 2015. Proceedings : 13-16 October 2015, Cape Town, South Africa
New York, N.Y.: AIP Press, 2016 (AIP Conference Proceedings 1734)
ISBN: 978-0-7354-1386-3
Art. 130006, 9 pp.
International Conference on Solar Power and Chemical Energy Systems (SolarPACES) <21, 2015, Cape Town>
Conference Paper
Fraunhofer ISE ()

The most relevant parameter to properly characterize solar mirrors is the solar-weighted near-specular reflectance. As this parameter cannot be directly measured with off-the-shelf instruments, a simplified procedure to be applied for highly specular solar mirrors is proposed in this paper. The approach, based on two criteria, was experimentally employed to check a wide variety of solar reflector materials. Only those mirrors with known high specularity passed the criteria, indicating that the proposed method is suitable.