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Comparison and Evaluation of Accelerated Aging Tests for Reflectors

Sutter, Florian and Fernandez, Aranzazu and Wette, Johannes and Heller, Peter (2014) Comparison and Evaluation of Accelerated Aging Tests for Reflectors. Energy Procedia, pp. 1718-1727. Elsevier. ISSN 1876-6102

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Official URL: http://www.sciencedirect.com/science/article/pii/S1876610214006353

Abstract

Accelerated aging testing is used in several industries to estimate the lifetime of products and components. Manufacturers of solar reflector materials usually test the durability of their products following standards from automotive and photovoltaic industry. The testing time and the “pass” or “fail” criteria differ from manufacturer to manufacturer which makes it hard for customers to compare the available mirrors on the market and to select the most durable product based on the data sheets. This paper gives an extensive review of the state of the art of currently applied accelerated aging tests for solar reflectors. The testing conditions of relevant tests are summarized. Based on the experience gained over the last years in the aging laboratory of CIEMAT and DLR, a typical testing program to qualify the durability of reflector materials is being proposed. The appearing degradation of glass and aluminum mirrors under accelerated aging is analyzed and compared to outdoor exposure results

Item URL in elib:https://elib.dlr.de/91791/
Document Type:Article
Title:Comparison and Evaluation of Accelerated Aging Tests for Reflectors
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Fernandez, AranzazuCiematUNSPECIFIED
Wette, JohannesJohannes.Wette (at) dlr.deUNSPECIFIED
Heller, Peterpeter.heller (at) dlr.deUNSPECIFIED
Date:2014
Journal or Publication Title:Energy Procedia
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Page Range:pp. 1718-1727
Publisher:Elsevier
Series Name:El Sevier
ISSN:1876-6102
Status:Published
Keywords:Solar reflector; durability; accelerated aging; outdoor weathering; specular reflectance; coating defects; pinholes; corrosion
HGF - Research field:Energy
HGF - Program:Renewable Energies
HGF - Program Themes:Concentrating Solar Systems (old)
DLR - Research area:Energy
DLR - Program:E SF - Solar research
DLR - Research theme (Project):E - Qualification (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:11 Nov 2014 13:41
Last Modified:06 Sep 2019 15:22

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