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12 December 2018 Detection of water pipeline leakage based on Raman distributed optical fiber sensing
Xiujuan Jiang, Zhennan Chen, Zhanbiao Wei, Bo Wang, Ying Xiang
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Proceedings Volume 10849, Fiber Optic Sensing and Optical Communication; 1084908 (2018) https://doi.org/10.1117/12.2503463
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China
Abstract
A system for detecting leakage of water pipeline is built based on the Raman distributed optical fiber sensing technique. Feasibility of the system is experimentally studied and a program for automatical alarm is developed. The results demonstrate that when the leakage of water causes a temperature variation no less than 1°C relative to the surrounding, the distributed optical fiber sensors are able to detect and locate the leakage. To some extent the water leakage spreading range can be shown, and when there are two or more leaks spaced by no less than 1m, the system can successfully identify the number of leaks.
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Xiujuan Jiang, Zhennan Chen, Zhanbiao Wei, Bo Wang, and Ying Xiang "Detection of water pipeline leakage based on Raman distributed optical fiber sensing", Proc. SPIE 10849, Fiber Optic Sensing and Optical Communication, 1084908 (12 December 2018); https://doi.org/10.1117/12.2503463
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KEYWORDS
Spatial resolution
Optical fibers
Sensing systems
Signal to noise ratio
Optical sensing
Raman scattering
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