Study and comparison of naturally-aged and As-received silvered-glass reflectors

Radia Lahlou; Kholoud Al Naimi; Hajer Al Yammahi; Johannes Wette; Florian Sutter; Aránzazu Fernández-García; Peter Armstrong; Nicolas Calvet; Tariq Shamim

doi:10.1063/1.5067235

Study and comparison of naturally-aged and As-received silvered-glass reflectors

Radia Lahlou
, Kholoud Al Naimi
, Hajer Al Yammahi
, Johannes Wette
, Florian Sutter
, Aránzazu Fernández-García
, Peter Armstrong
, Nicolas Calvet
, Tariq Shamim

Mechanical & Nuclear Engineering

CIEMAT-Plataforma Solar de Almería

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

3 Scopus citations

Abstract

Back-silvered glass mirrors exposed in Abu Dhabi outdoor conditions for 7 years along with corresponding as-received mirrors from the same manufacturing batch which were preserved in a warehouse are analyzed in the present study. The availability of both the as-received mirrors and the exposed ones over a time longer than that in previous studies presents an opportunity to validate accelerated aging tests through comparison with naturally aged mirrors. The exposed mirrors showed substantial reflectance degradation. Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS) was used to characterize both as-received and exposed samples and compare the as-received sample to a reference mirror from the state-of-the-art commercial solar mirrors. The analyses identified 5 possible causes of the rapid degradation observed for the mirrors in question in comparison to the lifetime expectation for commercial solar mirrors. The findings will serve to guide ongoing and future accelerated-aging studies on the same mirrors.

Original language	British English
Title of host publication	SolarPACES 2017
Subtitle of host publication	International Conference on Concentrating Solar Power and Chemical Energy Systems
Editors	Rodrigo Mancilla, Christoph Richter
ISBN (Electronic)	9780735417571
DOIs	https://doi.org/10.1063/1.5067235
State	Published - 8 Nov 2018
Event	23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017 - Santiago, Chile Duration: 26 Sep 2017 → 29 Sep 2017

Publication series

Name	AIP Conference Proceedings
Volume	2033
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Conference

Conference	23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017
Country/Territory	Chile
City	Santiago
Period	26/09/17 → 29/09/17

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1063/1.5067235

Cite this

Lahlou, R., Al Naimi, K., Al Yammahi, H., Wette, J., Sutter, F., Fernández-García, A., Armstrong, P., Calvet, N., & Shamim, T. (2018). Study and comparison of naturally-aged and As-received silvered-glass reflectors. In R. Mancilla, & C. Richter (Eds.), SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems Article 230007 (AIP Conference Proceedings; Vol. 2033). https://doi.org/10.1063/1.5067235

@inproceedings{ef6b7b509c674054bb00fd50b9dc4235,

title = "Study and comparison of naturally-aged and As-received silvered-glass reflectors",

abstract = "Back-silvered glass mirrors exposed in Abu Dhabi outdoor conditions for 7 years along with corresponding as-received mirrors from the same manufacturing batch which were preserved in a warehouse are analyzed in the present study. The availability of both the as-received mirrors and the exposed ones over a time longer than that in previous studies presents an opportunity to validate accelerated aging tests through comparison with naturally aged mirrors. The exposed mirrors showed substantial reflectance degradation. Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS) was used to characterize both as-received and exposed samples and compare the as-received sample to a reference mirror from the state-of-the-art commercial solar mirrors. The analyses identified 5 possible causes of the rapid degradation observed for the mirrors in question in comparison to the lifetime expectation for commercial solar mirrors. The findings will serve to guide ongoing and future accelerated-aging studies on the same mirrors.",

author = "Radia Lahlou and \{Al Naimi\}, Kholoud and \{Al Yammahi\}, Hajer and Johannes Wette and Florian Sutter and Ar{\'a}nzazu Fern{\'a}ndez-Garc{\'i}a and Peter Armstrong and Nicolas Calvet and Tariq Shamim",

note = "Funding Information: This research is supported by the Government of Abu Dhabi to help fulfill the vision of the late President Sheikh Zayed bin Sultan Al Nahyan for sustainable development and empowerment of the UAE and humankind. Publisher Copyright: {\textcopyright} 2018 Author(s).; 23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017 ; Conference date: 26-09-2017 Through 29-09-2017",

year = "2018",

month = nov,

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doi = "10.1063/1.5067235",

language = "British English",

series = "AIP Conference Proceedings",

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Lahlou, R, Al Naimi, K, Al Yammahi, H, Wette, J, Sutter, F, Fernández-García, A, Armstrong, P, Calvet, N & Shamim, T 2018, Study and comparison of naturally-aged and As-received silvered-glass reflectors. in R Mancilla & C Richter (eds), SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems., 230007, AIP Conference Proceedings, vol. 2033, 23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017, Santiago, Chile, 26/09/17. https://doi.org/10.1063/1.5067235

Study and comparison of naturally-aged and As-received silvered-glass reflectors. / Lahlou, Radia; Al Naimi, Kholoud; Al Yammahi, Hajer et al.
SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems. ed. / Rodrigo Mancilla; Christoph Richter. 2018. 230007 (AIP Conference Proceedings; Vol. 2033).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Study and comparison of naturally-aged and As-received silvered-glass reflectors

AU - Lahlou, Radia

AU - Al Naimi, Kholoud

AU - Al Yammahi, Hajer

AU - Wette, Johannes

AU - Sutter, Florian

AU - Fernández-García, Aránzazu

AU - Armstrong, Peter

AU - Calvet, Nicolas

AU - Shamim, Tariq

N1 - Funding Information: This research is supported by the Government of Abu Dhabi to help fulfill the vision of the late President Sheikh Zayed bin Sultan Al Nahyan for sustainable development and empowerment of the UAE and humankind. Publisher Copyright: © 2018 Author(s).

PY - 2018/11/8

Y1 - 2018/11/8

N2 - Back-silvered glass mirrors exposed in Abu Dhabi outdoor conditions for 7 years along with corresponding as-received mirrors from the same manufacturing batch which were preserved in a warehouse are analyzed in the present study. The availability of both the as-received mirrors and the exposed ones over a time longer than that in previous studies presents an opportunity to validate accelerated aging tests through comparison with naturally aged mirrors. The exposed mirrors showed substantial reflectance degradation. Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS) was used to characterize both as-received and exposed samples and compare the as-received sample to a reference mirror from the state-of-the-art commercial solar mirrors. The analyses identified 5 possible causes of the rapid degradation observed for the mirrors in question in comparison to the lifetime expectation for commercial solar mirrors. The findings will serve to guide ongoing and future accelerated-aging studies on the same mirrors.

AB - Back-silvered glass mirrors exposed in Abu Dhabi outdoor conditions for 7 years along with corresponding as-received mirrors from the same manufacturing batch which were preserved in a warehouse are analyzed in the present study. The availability of both the as-received mirrors and the exposed ones over a time longer than that in previous studies presents an opportunity to validate accelerated aging tests through comparison with naturally aged mirrors. The exposed mirrors showed substantial reflectance degradation. Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS) was used to characterize both as-received and exposed samples and compare the as-received sample to a reference mirror from the state-of-the-art commercial solar mirrors. The analyses identified 5 possible causes of the rapid degradation observed for the mirrors in question in comparison to the lifetime expectation for commercial solar mirrors. The findings will serve to guide ongoing and future accelerated-aging studies on the same mirrors.

UR - https://www.scopus.com/pages/publications/85057134700

U2 - 10.1063/1.5067235

DO - 10.1063/1.5067235

M3 - Conference contribution

AN - SCOPUS:85057134700

T3 - AIP Conference Proceedings

BT - SolarPACES 2017

A2 - Mancilla, Rodrigo

A2 - Richter, Christoph

T2 - 23rd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2017

Y2 - 26 September 2017 through 29 September 2017

ER -

Study and comparison of naturally-aged and As-received silvered-glass reflectors

Abstract

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