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Equipment and methods for measuring reflectance of concentrating solar reflector materials

Fernandez-Garcia, Aranzazu and Sutter, Florian and Martinez-Arcos, Lucia and Sansom, Christopher and Wolfertstetter, Fabian and Delord, Christine (2017) Equipment and methods for measuring reflectance of concentrating solar reflector materials. Solar Energy Materials and Solar Cells, 167, pp. 28-52. Elsevier. doi: 10.1016/j.solmat.2017.03.036. ISSN 0927-0248.

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Official URL: http://www.elsevier.com/locate/solmat


The proper optical characterization of solar reflector materials is a challenging task. Although several commercial instruments exist to measure reflectance, they have been developed for other applications and often do not meet all the specific requirements demanded by the solar thermal industry. In particular, the characterization of solar reflectors involve the complete solar spectral wavelength range, an incidence angle range from near normal to 70° and most importantly a very narrow acceptance angle range from near specular to 20 mrad. The accurate measurement of reflectance as a function of all the previously mentioned parameters has not been commercially implemented. This paper reviews the different alternatives to measure reflector materials, describes reflectance models used to approximate the missing information and presents current research work on prototype reflectometers to fill the gap.

Item URL in elib:https://elib.dlr.de/115429/
Document Type:Article
Title:Equipment and methods for measuring reflectance of concentrating solar reflector materials
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Fernandez-Garcia, Aranzazuarantxa.fernandez (at) psa.esUNSPECIFIED
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Martinez-Arcos, Luciaciemat psaUNSPECIFIED
Sansom, Christophercranfield universityUNSPECIFIED
Wolfertstetter, Fabianfabian.wolfertstetter (at) dlr.dehttps://orcid.org/0000-0003-4323-8433
Delord, Christinechristine.delord (at) cea.frUNSPECIFIED
Journal or Publication Title:Solar Energy Materials and Solar Cells
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1016/j.solmat.2017.03.036
Page Range:pp. 28-52
Keywords:Solar reflector, Concentrating solar Technology, Reflectance measurement, Spectrophotometer, Reflectometer
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SW - Solar and Wind Energy
DLR - Research theme (Project):E - Impact of Desert Environment (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualification
Deposited By: Kruschinski, Anja
Deposited On:20 Nov 2017 14:04
Last Modified:28 May 2021 19:51

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