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 difficult outdoor conditions without a significant loss in specular reflectance. In this work, samples of enhanced anodized aluminum reflectors protected by a sol-gel coating exposed at different weathering siteshave been analyzed with an innovative specular reflectometer and accelerated aging tests have been carried out in order to estimate the service lifetime. A new accelerated aging procedure is proposed, which consists in combining abrasion and corrosion testing.
| Original language | American English |
|---|---|
| Number of pages | 8 |
| State | Published - 2011 |
| Event | SolarPACES 2011 - Granada, Spain Duration: 20 Sep 2011 → 23 Sep 2011 |
Conference
| Conference | SolarPACES 2011 |
|---|---|
| City | Granada, Spain |
| Period | 20/09/11 → 23/09/11 |
NLR Publication Number
- NREL/CP-5500-52525
Keywords
- accerated and outdoor weathering
- aging of solar reflectors
- filiform corrosion of aluminium
- reflectometer
- specular reflectance
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