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High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG

This work deals with the application of femtosecond-laser-inscribed fiber Bragg gratings (FsFBGs) for monitoring the internal high-temperature surface distribution (HTSD) in solar receivers of concentrating solar power (CSP) plants. The fiber-optic sensor system is composed of 12 FsFBGs measuring po...

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Autores principales: Rodríguez-Garrido, Roberto, Carballar, Alejandro, Vera, Jonathan, González-Aguilar, José, Altamirano, Adeodato, Loureiro, Antonio, Pereira, Daniel
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8199103/
https://www.ncbi.nlm.nih.gov/pubmed/34071583
http://dx.doi.org/10.3390/s21113762
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author Rodríguez-Garrido, Roberto
Carballar, Alejandro
Vera, Jonathan
González-Aguilar, José
Altamirano, Adeodato
Loureiro, Antonio
Pereira, Daniel
author_facet Rodríguez-Garrido, Roberto
Carballar, Alejandro
Vera, Jonathan
González-Aguilar, José
Altamirano, Adeodato
Loureiro, Antonio
Pereira, Daniel
author_sort Rodríguez-Garrido, Roberto
collection PubMed
description This work deals with the application of femtosecond-laser-inscribed fiber Bragg gratings (FsFBGs) for monitoring the internal high-temperature surface distribution (HTSD) in solar receivers of concentrating solar power (CSP) plants. The fiber-optic sensor system is composed of 12 FsFBGs measuring points distributed on an area of 0.4 m(2), which leads to obtain the temperature map at the receiver by means of two-dimensional interpolation. An analysis of the FsFBG performance in harsh environment was also conducted. It describes the influence of calibration functions in high-temperature measurements, determines a required 10 nm spectral interval for measuring temperatures in the range from 0 to 700 °C, and reveals wavelength peak tolerances in the FsFBG fabrication process. Results demonstrate the viability and reliability of this measuring technique, with temperature measurements up to 566 °C.
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spelling pubmed-81991032021-06-14 High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG Rodríguez-Garrido, Roberto Carballar, Alejandro Vera, Jonathan González-Aguilar, José Altamirano, Adeodato Loureiro, Antonio Pereira, Daniel Sensors (Basel) Article This work deals with the application of femtosecond-laser-inscribed fiber Bragg gratings (FsFBGs) for monitoring the internal high-temperature surface distribution (HTSD) in solar receivers of concentrating solar power (CSP) plants. The fiber-optic sensor system is composed of 12 FsFBGs measuring points distributed on an area of 0.4 m(2), which leads to obtain the temperature map at the receiver by means of two-dimensional interpolation. An analysis of the FsFBG performance in harsh environment was also conducted. It describes the influence of calibration functions in high-temperature measurements, determines a required 10 nm spectral interval for measuring temperatures in the range from 0 to 700 °C, and reveals wavelength peak tolerances in the FsFBG fabrication process. Results demonstrate the viability and reliability of this measuring technique, with temperature measurements up to 566 °C. MDPI 2021-05-28 /pmc/articles/PMC8199103/ /pubmed/34071583 http://dx.doi.org/10.3390/s21113762 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Rodríguez-Garrido, Roberto
Carballar, Alejandro
Vera, Jonathan
González-Aguilar, José
Altamirano, Adeodato
Loureiro, Antonio
Pereira, Daniel
High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title_full High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title_fullStr High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title_full_unstemmed High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title_short High-Temperature Monitoring in Central Receiver Concentrating Solar Power Plants with Femtosecond-Laser Inscribed FBG
title_sort high-temperature monitoring in central receiver concentrating solar power plants with femtosecond-laser inscribed fbg
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8199103/
https://www.ncbi.nlm.nih.gov/pubmed/34071583
http://dx.doi.org/10.3390/s21113762
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