Blockage and Leak Detection and Location in Pipelines Using Frequency Response Optimization

AbstractThis paper proposes a new approach based on the frequency response for fault identification in pipelines. The method focuses on extended blockage detection and location, and a case of simultaneous punctual blockage and leak identification. The proposed approach is based on a frequency modeli...

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Bibliographic Details
Published in:Journal of hydraulic engineering (New York, N.Y.) N.Y.), 2017-01, Vol.143 (1)
Main Authors: Rubio Scola, Ignacio, Besançon, Gildas, Georges, Didier
Format: Article
Language:English
Subjects:
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Blockage
Engineering Sciences
Fault detection
Frequency response
Hydraulic engineering
Matrix representation
Noise measurement
Optimization
Pipelines
Technical Papers
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Summary:AbstractThis paper proposes a new approach based on the frequency response for fault identification in pipelines. The method focuses on extended blockage detection and location, and a case of simultaneous punctual blockage and leak identification. The proposed approach is based on a frequency modeling of pipeline dynamics including the effect of faults under study, by means of transfer matrix representation, and a related optimization: using measurements at both ends of the pipeline, together with an appropriate excitation, the parameters of the faults are directly identified from the frequency response. This methodology is shown to be very efficient based on the simulation results, even in the presence of additive measurement noise.
ISSN:0733-9429
1943-7900
DOI:10.1061/(ASCE)HY.1943-7900.0001222