2001
DOI: 10.1063/1.1373891
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Monitoring acoustic wave propagation in buried cast iron water pipes

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Cited by 23 publications
(12 citation statements)
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“…In addition to different analytical models, professional software has also been employed to investigate the mechanism of wave propagation in pipes. Long et al investigated the dispersion behaviour of acoustic mode waves in buried iron water pipes and the displacement contribution in systems based on the DISPERSE, which is a software developed by Imperial College London [75,76]. The effects of soil properties [77] and attenuation characteristics [78] were also presented.…”
Section: Appl Sci 2020 10 X For Peer Review 3 Of 34mentioning
confidence: 99%
“…In addition to different analytical models, professional software has also been employed to investigate the mechanism of wave propagation in pipes. Long et al investigated the dispersion behaviour of acoustic mode waves in buried iron water pipes and the displacement contribution in systems based on the DISPERSE, which is a software developed by Imperial College London [75,76]. The effects of soil properties [77] and attenuation characteristics [78] were also presented.…”
Section: Appl Sci 2020 10 X For Peer Review 3 Of 34mentioning
confidence: 99%
“…PCCP is a typical cylinder waveguide, in which three families of guided waves: longitudinal, torsional and flexural modes can propagate [14] [15]. Longitudinal mode is axial-symmetric, and studies have shown that L(0,1) mode and 1 α mode exist in water-filler pipes surrounded by any medium, whereas occurrence of 2 α mode and 3 α mode depends mainly on the surrounded medium of the pipe [16][17].…”
Section: Acoustical Signal Propagation and Identification A Acoustic Signal Propagation In Pccpmentioning
confidence: 99%
“…In 2003, the dispersive leak signal propagation velocity was investigated, see for example [7][8], and physical interpretations of results have been given. In addition, when the pipes either contain fluid or are buried underground, the characteristics of leak signal propagation are different from that of non-buried pipes.…”
Section: Application In Leak Localizationmentioning
confidence: 99%
“…According to these investigations, it can be seen that the propagation velocity of leak signal is highly dependent upon the pipe conditions (such as the pipe thickness, diameter, material properties and surrounding media). If the pipe conditions are known, the velocity can be calculated quite accurately based on the above theoretical models [6][7][8][9][10][11]. Unfortunately these conditions are often not available.…”
Section: Application In Leak Localizationmentioning
confidence: 99%