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Sensors 2016, 16(6), 829; doi:10.3390/s16060829

Fire Source Localization Based on Distributed Temperature Sensing by a Dual-Line Optical Fiber System

1
Anhui Provincial Key Laboratory of Photonic Devices and Materials, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
2
Hefei Institutes of Physical Science, University of Science and Technology of China, Hefei 230029, China
3
ETH Zürich, Institute for Quantum Electronics, Otto-Stern-Weg 1, CH-8093 Zurich, Switzerland
*
Author to whom correspondence should be addressed.
Academic Editor: Ingolf Willms
Received: 28 March 2016 / Revised: 19 May 2016 / Accepted: 31 May 2016 / Published: 6 June 2016
(This article belongs to the Special Issue Sensors for Fire Detection)
View Full-Text   |   Download PDF [5075 KB, uploaded 6 June 2016]   |  

Abstract

We propose a method for localizing a fire source using an optical fiber distributed temperature sensor system. A section of two parallel optical fibers employed as the sensing element is installed near the ceiling of a closed room in which the fire source is located. By measuring the temperature of hot air flows, the problem of three-dimensional fire source localization is transformed to two dimensions. The method of the source location is verified with experiments using burning alcohol as fire source, and it is demonstrated that the method represents a robust and reliable technique for localizing a fire source also for long sensing ranges. View Full-Text
Keywords: dual-line optical fiber; fire source localization; optical fiber distributed temperature sensor dual-line optical fiber; fire source localization; optical fiber distributed temperature sensor
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sun, M.; Tang, Y.; Yang, S.; Li, J.; Sigrist, M.W.; Dong, F. Fire Source Localization Based on Distributed Temperature Sensing by a Dual-Line Optical Fiber System. Sensors 2016, 16, 829.

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