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Correlating Outdoor Exposure with Accelerated Aging Tests for Aluminum Solar Reflectors

Wette, Johannes and Sutter, Florian and Fernandez-Garcia, Aranzazu (2016) Correlating Outdoor Exposure with Accelerated Aging Tests for Aluminum Solar Reflectors. AIP Conference Proceedings, 1734. American Institute of Physics (AIP). doi: 10.1063/1.4949188. ISSN 0094-243X.

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Official URL: http://dx.doi.org/10.1063/1.4949188


Guaranteeing the durability of concentrated solar power (CSP) components is crucial for the success of the technology. The reflectors of the solar field are a key component of CSP plants, requiring reliable methods for service lifetime prediction. So far, no proven correlations exist to relate accelerated aging test results in climate chambers with relevant CSP exposure sites. In this work, correlations have been derived for selected testing conditions that excite the same degradation mechanisms as for outdoor exposure. Those testing conditions have been identified by performing an extensive microscopic comparison of the appearing degradation mechanisms on reference samples that have been weathered outdoors with samples that underwent a high variety of accelerated aging experiments. The herein developed methodology is derived for aluminum reflectors and future work will study its applicability to silvered-glass mirrors

Item URL in elib:https://elib.dlr.de/108938/
Document Type:Article
Title:Correlating Outdoor Exposure with Accelerated Aging Tests for Aluminum Solar Reflectors
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Wette, JohannesUNSPECIFIEDhttps://orcid.org/0000-0003-1389-5176UNSPECIFIED
Sutter, FlorianUNSPECIFIEDhttps://orcid.org/0000-0002-2981-5807UNSPECIFIED
Date:May 2016
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Publisher:American Institute of Physics (AIP)
Keywords:Reflectors, Aging, Durability, Lifetime prediction
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Thermal Technology
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Impact of Desert Environment (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:05 Dec 2016 14:33
Last Modified:03 Nov 2023 07:46

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