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Proceedings Paper

High resolution temperature mapping of gas turbine combustor simulator exhaust with femtosecond laser induced fiber Bragg gratings
Author(s): Robert B. Walker; Sangsig Yun; Huimin Ding; Michel Charbonneau; David Coulas; Ping Lu; Stephen J. Mihailov; Nanthan Ramachandran
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Paper Abstract

Femtosecond 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.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103238O (23 April 2017); doi: 10.1117/12.2265829
Show Author Affiliations
Robert B. Walker, National Research Council Canada (Canada)
Sangsig Yun, National Research Council Canada (Canada)
Huimin Ding, National Research Council Canada (Canada)
Michel Charbonneau, National Research Council Canada (Canada)
David Coulas, National Research Council Canada (Canada)
Ping Lu, National Research Council Canada (Canada)
Stephen J. Mihailov, National Research Council Canada (Canada)
Nanthan Ramachandran, National Research Council Canada (Canada)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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