Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/16736
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Type: Journal article
Title: Leak location using the pattern of the frequency response diagram in pipelines: a numerical study
Author: Lee, P.
Vitkovsky, J.
Lambert, M.
Simpson, A.
Liggett, J.
Citation: Journal of Sound and Vibration, 2005; 284(3-5):1051-1073
Publisher: Academic Press Ltd Elsevier Science Ltd
Issue Date: 2005
ISSN: 0022-460X
1095-8568
Statement of
Responsibility: 
Pedro J. Lee, John P. Vítkovský, Martin F. Lambert, Angus R. Simpson and James A. Liggett
Abstract: This paper presents a method of leak detection in a single pipe where the behaviour of the system frequency response diagram (FRD) is used as an indicator of the pipe integrity. The presence of a leak in a pipe imposes a pattern on the resonance peaks of the FRD that can be used as a clear indication of leakage. Analytical expressions describing the pattern of the resonance peaks are derived. Illustrations of how this pattern can be used to individually locate and size multiple leaks within the system are presented. Practical issues with the technique, such as the procedure for frequency response extraction, the impact of measurement position, noise- and frequency-dependent friction are also discussed.
Rights: © Copyright 2004 Elsevier
RMID: 0020050478
DOI: 10.1016/j.jsv.2004.07.023
Appears in Collections:Civil and Environmental Engineering publications
Environment Institute publications

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