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Standardizing Accelerated Aging Testing Conditions for Silvered-Glass Reflectors

Wette, Johannes and Sutter, Florian and Fernandez-Garcia, Aranzazu and Lahlou, Radia and Armstrong, Peter (2017) Standardizing Accelerated Aging Testing Conditions for Silvered-Glass Reflectors. In: AIP Conference Proceedings, 2033 (230014). SolarPACES 2017, 26.-29. Nov. 2017, Santiago de Chile. DOI: 10.1063/1.5067242

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Official URL: http://aip.scitation.org/toc/apc/2033/1


To assure the quality of accelerated aging tests for solar concentrators, their standardization is crucial. It guarantees the employment of adequate testing, measurement and characterization procedures and the comparability between results. A committee of the Spanish AENOR standardization agency is working on the draft “Reflector Panels for Concentrating Solar Technologies”. This work focuses on the evaluation of the procedures defined in this standard. The reflector material from the Japanese company Nishio Glass Mirror Co., which showed severe degradation after 7 years of outdoor exposure in Abu Dhabi, is tested according to the AENOR standard to check if its poor outdoor performance could have been predicted by accelerated aging testing. However, after completion of the accelerated tests, in some cases even for considerably longer test durations than the minimum required by AENOR, no considerable degradation was detected. The results suggest that the proposed testing program by AENOR is not aggressive enough to identify material failure. Ways to improve the current standard are proposed through development of more realistic tests.

Item URL in elib:https://elib.dlr.de/115433/
Document Type:Conference or Workshop Item (Speech)
Title:Standardizing Accelerated Aging Testing Conditions for Silvered-Glass Reflectors
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wette, JohannesJohannes.Wette (at) dlr.dehttps://orcid.org/0000-0003-1389-5176
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Fernandez-Garcia, Aranzazuarantxa.fernandez (at) psa.esUNSPECIFIED
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1063/1.5067242
Keywords:silvered-glass refectors, standardization
Event Title:SolarPACES 2017
Event Location:Santiago de Chile
Event Type:international Conference
Event Dates:26.-29. Nov. 2017
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:20 Nov 2017 14:04
Last Modified:05 Jun 2020 10:51

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