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Type: Conference paper
Title: Field tests for leakage, air pocket, and discrete blockage detection using inverse transient analysis in water distribution pipes
Author: Stephens, M.
Lambert, M.
Simpson, A.
Vitkovsky, J.
Nixon, J.
Citation: Critical transitions in water and environmental resources management [electronic resource] : proceedings of the World Water and Environmental Resources Congress : June 27-July 1, 2004, Salt Lake City, UT / sponsored by Environmental and Water Resources Institute (EWRI) of the American Society of Civil Engineers ; Gerald Sehlke, Donald F. Hayes, and David K. Stevens (eds.): pp. 1-10
Publisher: American Society of Civil Engineers
Issue Date: 2004
ISBN: 0784407371
Conference Name: World Water and Environmental Resources Congress (2004 : Salt Lake City, Utah)
Statement of
Mark Stephens, Martin Lambert, Angus Simpson, John Vítkovský, and John Nixon
Abstract: It has been suggested over the last ten years that the application of fluid transients could potentially lead to improved leak detection and calibration of pipe roughness in pipe networks using a technique referred to as Inverse Transient Analysis (ITA). During the intervening time, a large amount of numerical and laboratory research has not addressed the complexities involved in the application of ITA to the field. This paper presents preliminary results for an implementation of ITA in a field environment. Leaks, air pockets and discrete blockages with defined characteristics are introduced into two single branch field pipelines in a "controlled manner" and their effects on an induced transient are measured. ITA is used, in some instances, to detect the introduced phenomena. To the best knowledge of the authors, it is the first time transient analysis has been applied to the detection of air pockets and blockages. Findings are made regarding the sensitivity of each type of pipeline phenomena to detection and, where possible, ITA is also used to locate and size leaks and air pockets.
Rights: © 2004 American Society of Civil Engineers
DOI: 10.1061/40737(2004)474
Appears in Collections:Aurora harvest 2
Civil and Environmental Engineering publications
Environment Institute publications

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