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Modelling of optical durability of enhanced aluminum solar reflectors

Sutter, Florian and Ziegler, Stefan and Schmücker, Martin and Heller, Peter and Pitz-Paal, Robert (2012) Modelling of optical durability of enhanced aluminum solar reflectors. Solar Energy Materials and Solar Cells, 107 (2, pp. 37-45. Elsevier.

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

Abstract

In order to reduce electricity generation costs of concentrating solar power (CSP) technologies, new low-cost reflector materials are being developed. These materials need to withstand harsh outdoor conditions without a significant loss in specular reflectance. In this work, samples of enhanced anodized aluminum reflectors protected by a sol-gel coating that have been exposed at different weathering sites were analyzed with an innovative specular reflectometer in order to monitor corrosion and scattering caused by surface roughness. a model to estimate the specular reflectance as a function of exposure conditions at different weathering sites has been developed.

Item URL in elib:https://elib.dlr.de/78570/
Document Type:Article
Title:Modelling of optical durability of enhanced aluminum solar reflectors
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Sutter, FlorianFlorian.Sutter (at) dlr.deUNSPECIFIED
Ziegler, StefanAlanodUNSPECIFIED
Schmücker, MartinDLRUNSPECIFIED
Heller, PeterDLRUNSPECIFIED
Pitz-Paal, RobertDLRUNSPECIFIED
Date:2012
Journal or Publication Title:Solar Energy Materials and Solar Cells
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:107 (2
Page Range:pp. 37-45
Publisher:Elsevier
Status:Published
Keywords:aluminium solar reflector, outdoor weathering, specular reflectance, scattering, localized corrosion of aluminum, avrami equation
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 - Qualifizierung (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Solar Research > Qualifizierung
Deposited By: Kruschinski, Anja
Deposited On:17 Dec 2012 17:13
Last Modified:08 Mar 2018 18:51

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