Application of Sapphire-Fiber-Bragg-Grating-Based Multi-Point Temperature Sensor in Boilers at a Commercial Power Plant

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dc.contributor.authorYang, Shuoen
dc.contributor.authorHoma, Daniel S.en
dc.contributor.authorHeyl, Hannaen
dc.contributor.authorTheis, Loganen
dc.contributor.authorBeach, Johnen
dc.contributor.authorDudding, Billyen
dc.contributor.authorAcord, Glenen
dc.contributor.authorTaylor, Dwynen
dc.contributor.authorPickrell, Gary R.en
dc.contributor.authorWang, Anboen
dc.contributor.departmentElectrical and Computer Engineeringen
dc.contributor.departmentMaterials Science and Engineering (MSE)en
dc.date.accessioned2019-07-25T19:24:04Zen
dc.date.available2019-07-25T19:24:04Zen
dc.date.issued2019-07-21en
dc.date.updated2019-07-25T16:58:52Zen
dc.description.abstractReadily available temperature sensing in boilers is necessary to improve efficiencies, minimize downtime, and reduce toxic emissions for a power plant. The current techniques are typically deployed as a single-point measurement and are primarily used for detection and prevention of catastrophic events due to the harsh environment. In this work, a multi-point temperature sensor based on wavelength-multiplexed sapphire fiber Bragg gratings (SFBGs) were fabricated via the point-by-point method with a femtosecond laser. The sensor was packaged and calibrated in the lab, including thermally equilibrating at 1200 °C, followed by a 110-h, 1000 °C stability test. After laboratory testing, the sensor system was deployed in both a commercial coal-fired and a gas-fired boiler for 42 days and 48 days, respectively. The performance of the sensor was consistent during the entire test duration, over the course of which it measured temperatures up to 950 °C (with some excursions over 1000 °C), showing the survivability of the sensor in a field environment. The sensor has a demonstrated measurement range from room temperature to 1200 °C, but the maximum temperature limit is expected to be up to 1900 °C, based on previous work with other sapphire based temperature sensors.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationYang, S.; Homa, D.; Heyl, H.; Theis, L.; Beach, J.; Dudding, B.; Acord, G.; Taylor, D.; Pickrell, G.; Wang, A. Application of Sapphire-Fiber-Bragg-Grating-Based Multi-Point Temperature Sensor in Boilers at a Commercial Power Plant. Sensors 2019, 19, 3211.en
dc.identifier.doihttps://doi.org/10.3390/s19143211en
dc.identifier.urihttp://hdl.handle.net/10919/91997en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectsingle-crystal sapphire fiberen
dc.subjectfiber Bragg gratingsen
dc.subjectdistributed sensingen
dc.subjecttemperature sensingen
dc.subjectwavelength multiplexen
dc.subjectfemtosecond laseren
dc.subjectboileren
dc.titleApplication of Sapphire-Fiber-Bragg-Grating-Based Multi-Point Temperature Sensor in Boilers at a Commercial Power Planten
dc.title.serialSensorsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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