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Fiber-optic flow sensors for high-temperature environment operation up to 800°C

Chen, R and Yan, A and Wang, Q and Chen, KP (2014) Fiber-optic flow sensors for high-temperature environment operation up to 800°C. Optics Letters, 39 (13). 3966 - 3969. ISSN 0146-9592

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Abstract

This Letter presents an all-optical high-temperature flow sensor based on hot-wire anemometry. High-attenuation fibers (HAFs) were used as the heating elements. High-temperature-stable regenerated fiber Bragg gratings were inscribed in HAFs and in standard telecom fibers as temperature sensors. Using in-fiber light as both the heating power source and the interrogation light source, regenerative fiber Bragg grating sensors were used to gauge the heat transfer from an optically powered heating element induced by the gas flow. Reliable gas flow measurements were demonstrated between 0.066 m/s and 0.66 m/s from the room temperature to 800°C. This Letter presents a compact, low-cost, and multiflexible approach to measure gas flow for high-temperature harsh environments. © 2014 Optical Society of America.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Chen, R
Yan, Aaiy2@pitt.eduAIY2
Wang, Q
Chen, KPpec9@pitt.eduPEC90000-0002-4830-0817
Date: 1 July 2014
Date Type: Publication
Journal or Publication Title: Optics Letters
Volume: 39
Number: 13
Page Range: 3966 - 3969
DOI or Unique Handle: 10.1364/ol.39.003966
Schools and Programs: Swanson School of Engineering > Electrical and Computer Engineering
Refereed: Yes
ISSN: 0146-9592
PubMed ID: 24978783
Date Deposited: 23 Sep 2014 15:54
Last Modified: 15 Jan 2021 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/23038

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