High resolution temperature mapping of gas turbine combustor simulator exhaust with femtosecond laser induced fiber Bragg

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DOIResolve DOI: http://doi.org/10.1117/12.2265829
AuthorSearch for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for: ; Search for:
TypeArticle
Proceedings title25th International Conference on Optical Fiber Sensors 24-28 April 2017, Jeju, Republic of Korea
Series titleProceedings of SPIE; no. 10323
Conference25th Optical Fiber Sensors Conference (OFS) 2017, 24-28 April 2017, Jeju, South Korea
ISSN0277-786X
1996-756X
ISBN9781509048502
1509048502
Pages102338O-1102338O-4
Subjectfemtosecond FBG; ultrafast FBG; high temperature FBG; fiber Bragg grating; temperature sensor array; gas turbine combustor simulator; exhaust temperature mapping; thermocouples
AbstractFemtosecond infrared (fs-IR) laser written fiber Bragg gratings (FBGs), have demonstrated great potential for extreme sensing. Such conditions are inherent in advanced gas turbine engines under development to reduce greenhouse gas emissions; and the ability to measure temperature gradients in these harsh environments is currently limited by the lack of sensors and controls capable of withstanding the high temperature, pressure and corrosive conditions present. This paper discusses fabrication and deployment of several fs-IR written FBG arrays, for monitoring exhaust temperature gradients of a gas turbine combustor simulator. Results include: contour plots of measured temperature gradients, contrast with thermocouple data.
Publication date
PublisherIEEE
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; Aerospace; National Research Council Canada
Peer reviewedYes
NPARC number23002179
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Record identifier43a25833-90af-423d-acd5-3413a917e2a9
Record created2017-08-30
Record modified2017-09-13
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