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Proceedings Paper

Miniature high-frequency temperature-insensitive fiber optic pressure sensor for gas turbine engine applications
Author(s): Jiangdong Deng; Shenru Li; Hai Xiao; Wei Huo; Paul Grems Duncan; M. Mclauch; J. Kozak; Anbo Wang; Wing Ng
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Paper Abstract

A newly developed fiber optic pressure sensor for gas turbine applications is described in this paper. The sensor is based on Self-Calibrated Interferometric/Intensity-Based fiber optic sensor technologies. In addition to the generic fiber sensor advantages, the new sensor was also shown to have all the distinct advantages of interferometric and intensity-based sensors while their disadvantages are significantly reduced. The sensor has a frequency response of approximately 100 kHz, and can be operate at temperatures up to 700 degrees C. The sensor was tested in simulated flow conditions similar to that found in a gas turbine engine. Excellent agreement was obtained in the measured pressure comparing the fiber-optic sensor to a conventional high frequency, semiconductor based pressure transducer.

Paper Details

Date Published: 11 January 1999
PDF: 4 pages
Proc. SPIE 3538, Process Monitoring with Optical Fibers and Harsh Environment Sensors, (11 January 1999); doi: 10.1117/12.335735
Show Author Affiliations
Jiangdong Deng, Virginia Polytechnic Institute and State Univ. (United States)
Shenru Li, Virginia Polytechnic Institute and State Univ. (United States)
Hai Xiao, Virginia Polytechnic Institute and State Univ. (United States)
Wei Huo, Virginia Polytechnic Institute and State Univ. (United States)
Paul Grems Duncan, Virginia Polytechnic Institute and State Univ. (United States)
M. Mclauch, Virginia Polytechnic Institute and State Univ. (United States)
J. Kozak, Virginia Polytechnic Institute and State Univ. (United States)
Anbo Wang, Virginia Polytechnic Institute and State Univ. (United States)
Wing Ng, Virginia Polytechnic Institute and State Univ. (United States)


Published in SPIE Proceedings Vol. 3538:
Process Monitoring with Optical Fibers and Harsh Environment Sensors
Michael A. Marcus; Michael A. Marcus; Anbo Wang, Editor(s)

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