Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/72090
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dc.contributor.authorGong, J.en
dc.contributor.authorSimpson, A.en
dc.contributor.authorLambert, M.en
dc.contributor.authorZecchin, A.en
dc.contributor.authorKim, Y.en
dc.contributor.authorTijsseling, A.en
dc.date.issued2013en
dc.identifier.citationJournal of Pipeline Systems Engineering and Practice, 2013; 4(1):32-40en
dc.identifier.issn1949-1190en
dc.identifier.issn1949-1204en
dc.identifier.urihttp://hdl.handle.net/2440/72090-
dc.descriptionSubmitted: 9 August 2011 Accepted: 16 May 2012 Published: 19 May 2012en
dc.description.abstractA number of different methods that use signal processing of fluid transients (water hammer waves) for fault detection in pipes have been proposed in the past two decades. However, most of them focus solely on the detection of discrete deterioration, such as leaks or discrete blockages. Few studies have been conducted on the detection of distributed deterioration, such as extended sections of corrosion and extended blockages. This is despite the fact that they commonly exist and can have a severe negative impact on the operation of pipelines. The research reported here proposes a method of detecting distributed deterioration by investigating the time-domain water hammer response trace from a single pipe with a deteriorated section. Through wave analysis using a step pressure input, a theoretical square-shaped perturbation is found to exist in the transient pressure trace as a result of distributed deterioration. The hydraulic impedance of this section can be derived from the magnitude of the reflected pressure perturbation, while the location and length of the corresponding deteriorated section can be determined by using the arrival time and duration of the perturbation. The proposed method has been validated by analyzing experimental data measured from a pipe with a section of wall thickness change.en
dc.description.statementofresponsibilityJinzhe Gong, Angus R. Simpson, Martin F. Lambert, Aaron C. Zecchin, Young-il Kim and Arris S. Tijsselingen
dc.language.isoenen
dc.publisherAmerican Society of Civil Engineersen
dc.rightsCopyright 2013 by the American Society of Civil Engineersen
dc.subjectPipelines; Fluid transients; Water distribution systems; Distributed deterioration; Extended blockages; Corrosion; Time-domain reflectometryen
dc.titleDetection of distributed deterioration in single pipes using transient reflectionsen
dc.typeJournal articleen
dc.identifier.rmid0020118849en
dc.identifier.doi10.1061/(ASCE)PS.1949-1204.0000111en
dc.identifier.pubid24651-
pubs.library.collectionCivil and Environmental Engineering publicationsen
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidGong, J. [0000-0002-6344-5993]en
dc.identifier.orcidSimpson, A. [0000-0003-1633-0111]en
dc.identifier.orcidLambert, M. [0000-0001-8272-6697]en
dc.identifier.orcidZecchin, A. [0000-0001-8908-7023]en
Appears in Collections:Civil and Environmental Engineering publications
Environment Institute publications

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