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The Effects of Blockage on the Propagation of Acoustic Waves in the Liquid-Shell Coupled System

Duan, Wenbo, Gu, Fengshou, Dupère, Iain, Zhong, Shan and Ball, Andrew (2009) The Effects of Blockage on the Propagation of Acoustic Waves in the Liquid-Shell Coupled System. Key Engineering Materials, 413-41. pp. 327-333. ISSN 1013-9826

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    Abstract

    The free vibration of a fluid/structure system consisting of a cylindrical blockage
    submerged in a liquid enclosed by a cylindrical shell is investigated for the purpose of pipe line
    transportation monitoring. The wavenumbers are obtained and the reflection and transmission
    characteristics of these waves at the blockage interfaces are investigated theoretically. Reflection
    and transmission ratios are obtained in the axisymmetric mode, as functions of frequency. High
    order modes play an important role in the near field of the discontinuity and are taken into account.

    Item Type: Article
    Additional Information: (c) Trans Tech Publications
    Uncontrolled Keywords: fluid/structure coupling system; reflection and transmission characteristics; blockage detection
    Subjects: T Technology > TJ Mechanical engineering and machinery
    Schools: School of Computing and Engineering
    School of Computing and Engineering > Automotive Engineering Research Group
    School of Computing and Engineering > Diagnostic Engineering Research Centre
    School of Computing and Engineering > Diagnostic Engineering Research Centre > Energy, Emissions and the Environment Research Group
    School of Computing and Engineering > Diagnostic Engineering Research Centre > Machinery Condition and Performance Monitoring Research Group
    School of Computing and Engineering > Diagnostic Engineering Research Centre > Measurement System and Signal Processing Research Group
    School of Computing and Engineering > Informatics Research Group
    School of Computing and Engineering > Informatics Research Group > XML, Database and Information Retrieval Research Group
    Related URLs:
    Depositing User: Graham Stone
    Date Deposited: 27 May 2009 16:51
    Last Modified: 08 Dec 2010 13:12
    URI: http://eprints.hud.ac.uk/id/eprint/4535

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