Leakage Detection in Pipelines Based on Bragg Fiber Technique

Zhi Gang Chen; Xin Rong Zhong; Xiang Jiao Lian; Ju Fen Niu

doi:10.4028/www.scientific.net/AMM.687-691.929

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 687-691Leakage Detection in Pipelines Based on Bragg...

Leakage Detection in Pipelines Based on Bragg Fiber Technique

Abstract:

In order to further improve monitoring safety of oil and gas pipelines, a leakage detection technology for natural gas pipelines with distributed Fiber Bragg Grating (FBG) is put forward. Optical fiber, set up along pipelines acting as FBG sensors, is used to acquire pressure and vibration signals created by some events such as leakage, mechanical disturbance. Through grating matching and automatic distinguish technique leakage can be detected and located. Moreover, independent component analysis (ICA) technique is studied and used to separate useful signal from noise. Theory analysis and experiments showed this method has good capacity to detect and locate leakage effectively in pipelines.

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Periodical:

Applied Mechanics and Materials (Volumes 687-691)

Pages:

929-933

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.687-691.929

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Online since:

November 2014

Authors:

Zhi Gang Chen*, Xin Rong Zhong, Xiang Jiao Lian, Ju Fen Niu

Keywords:

Grating Matching Method, ICA, Leakage Detection, Optic FBG Sensor

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References

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