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Sandstorm erosion testing of anti-reflective glass coatings for solar energy applications

Wiesinger, Florian and San Vicente, Gema and Fernandez-Garcia, Aranzazu and Sutter, Florian and Morales, Angel and Pitz-Paal, Robert (2018) Sandstorm erosion testing of anti-reflective glass coatings for solar energy applications. Solar Energy Materials and Solar Cells, 179, pp. 10-16. Elsevier. DOI: 10.1016/j-solmat.2018.02.018 ISSN 0927-0248

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Abstract

Components for concentrating solar power applications can suffer from optical performance loss due to their permanent exposure to the environment. There is still lack of experience regarding the destructive effects of sand- and duststorms on glass envelope materials for receiver tubes of parabolic-trough collectors for concentrating solar power (CSP) plants. So far no accelerated aging guideline is formulated yet to account for the performance loss of optical components due to particle erosion to a realistic extent. Within this study 4 different anti-reflective (AR) coatings deposited on borosilicate glass are subjected to an artificial sandstorm test and their resistance towards erosion is evaluated. An uncoated borosilicate glass is also tested as reference. Noticeable differences were obtained depending on the type of coating. Microscope analysis and light transmission measurements in the spectrophotometer were undertaken and it could be concluded that the selection of an AR coating should not only be based on the initial optical performance but also in accordance with meteorological data, especially when erosive sandstorms are expected for the chosen site of the CSP plant.

Item URL in elib:https://elib.dlr.de/120300/
Document Type:Article
Title:Sandstorm erosion testing of anti-reflective glass coatings for solar energy applications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wiesinger, Florianflorian.wiesinger (at) dlr.dehttps://orcid.org/0000-0002-7062-0497
San Vicente, GemaCIEMAT-PSAUNSPECIFIED
Fernandez-Garcia, Aranzazuarantxa.fernandez (at) psa.esUNSPECIFIED
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Morales, AngelCIEMATUNSPECIFIED
Pitz-Paal, RobertRobert.Pitz-Paal (at) dlr.dehttps://orcid.org/0000-0002-3542-3391
Date:January 2018
Journal or Publication Title:Solar Energy Materials and Solar Cells
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:179
DOI :10.1016/j-solmat.2018.02.018
Page Range:pp. 10-16
Publisher:Elsevier
ISSN:0927-0248
Status:Published
Keywords:CSP Technology, Anti-reflective coating, Glass envelope tube, Accelerated aging, Sand erosion
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
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualification
Deposited By: Kruschinski, Anja
Deposited On:18 Sep 2018 08:29
Last Modified:31 Jul 2019 20:17

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