Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines

Wenbo Duan, Fengshou Gu, Andrew Ball, Fenglei Jiao, Ke Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a wave propagation model is developed to investigate the wave propagation in fluid-filled steel pipe. Based on the Kennard shell equations the investigation is achieved under the conditions of coupling between the shell elastic acoustic field and the interior fluid acoustic field. Tests are conducted on fluid-filled pipeline blockage detection. An active acoustic source is used to generate acoustic pulse waves into the pipe. The position of the blockage can be obtained from the reflected transient signals. Smoothed Pseudo Wigner-Ville distribution method (SPWVD) has been used to extract the time and frequency features of the propagating waves in the coupling system. Experimental results demonstrate that the proposed approach and SPWVD are effective in detecting the position of the blockage.

LanguageEnglish
Title of host publication14th International Congress on Sound and Vibration 2007
Pages4280-4287
Number of pages8
Volume5
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event14th International Congress on Sound and Vibration - Cairns, Australia
Duration: 9 Jul 200712 Jul 2007
Conference number: 14

Conference

Conference14th International Congress on Sound and Vibration
Abbreviated titleICSV 2007
CountryAustralia
CityCairns
Period9/07/0712/07/07

Fingerprint

acoustics
fluids
wave propagation
elastic shells
steels
pulses

Cite this

Duan, W., Gu, F., Ball, A., Jiao, F., & Liu, K. (2007). Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines. In 14th International Congress on Sound and Vibration 2007 (Vol. 5, pp. 4280-4287)
Duan, Wenbo ; Gu, Fengshou ; Ball, Andrew ; Jiao, Fenglei ; Liu, Ke. / Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines. 14th International Congress on Sound and Vibration 2007. Vol. 5 2007. pp. 4280-4287
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Duan, W, Gu, F, Ball, A, Jiao, F & Liu, K 2007, Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines. in 14th International Congress on Sound and Vibration 2007. vol. 5, pp. 4280-4287, 14th International Congress on Sound and Vibration, Cairns, Australia, 9/07/07.

Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines. / Duan, Wenbo; Gu, Fengshou; Ball, Andrew; Jiao, Fenglei; Liu, Ke.

14th International Congress on Sound and Vibration 2007. Vol. 5 2007. p. 4280-4287.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - In this paper, a wave propagation model is developed to investigate the wave propagation in fluid-filled steel pipe. Based on the Kennard shell equations the investigation is achieved under the conditions of coupling between the shell elastic acoustic field and the interior fluid acoustic field. Tests are conducted on fluid-filled pipeline blockage detection. An active acoustic source is used to generate acoustic pulse waves into the pipe. The position of the blockage can be obtained from the reflected transient signals. Smoothed Pseudo Wigner-Ville distribution method (SPWVD) has been used to extract the time and frequency features of the propagating waves in the coupling system. Experimental results demonstrate that the proposed approach and SPWVD are effective in detecting the position of the blockage.

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Duan W, Gu F, Ball A, Jiao F, Liu K. Time-frequency analysis of acoustic signals for condition monitoring of fluid-filled pipelines. In 14th International Congress on Sound and Vibration 2007. Vol. 5. 2007. p. 4280-4287