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    Investigation of Characteristics of Acoustic Emission Signals Resulting from a Subsea Gas Pipeline Leak

    Source: Journal of Pipeline Systems Engineering and Practice:;2025:;Volume ( 016 ):;issue: 001::page 04024065-1
    Author:
    Xinhong Li
    ,
    Chenyu Wang
    ,
    Yuhang Zhang
    DOI: 10.1061/JPSEA2.PSENG-1684
    Publisher: American Society of Civil Engineers
    Abstract: Investigation of acoustic signals is crucial for detecting leaks in subsea gas pipelines and preventing economic losses. This study presents a three-dimensional (3D) computational fluid dynamics model for analyzing the acoustic characteristics of subsea gas pipeline leaks. The model considers different operating pressures, hole sizes, and shapes. The Ffowcs Williams and Hawkings model was employed to capture the acoustic characteristics of sonic waves generated by pipeline leaks. The impact of pipeline pressure, hole size, and shape on acoustic characteristics was examined focusing on low-frequency acoustic pressure, high-frequency acoustic pressure, and average acoustic pressure. The results indicated that the average sound pressure level increases with the higher pipeline operating pressure. For the circular leak holes, the average sound pressure level rises with increasing hole size, and leaks from circular holes exhibit the highest average sound pressure level. Additionally, the sound pressure level decreases as the frequency increases. The outcomes can help to understand the knowledge of underwater gas pipeline leak. Besides, it is the important inputs for developing the acoustic localization model of subsea gas pipeline leak.
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      Investigation of Characteristics of Acoustic Emission Signals Resulting from a Subsea Gas Pipeline Leak

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    contributor authorXinhong Li
    contributor authorChenyu Wang
    contributor authorYuhang Zhang
    date accessioned2025-04-20T10:29:45Z
    date available2025-04-20T10:29:45Z
    date copyright12/2/2024 12:00:00 AM
    date issued2025
    identifier otherJPSEA2.PSENG-1684.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304835
    description abstractInvestigation of acoustic signals is crucial for detecting leaks in subsea gas pipelines and preventing economic losses. This study presents a three-dimensional (3D) computational fluid dynamics model for analyzing the acoustic characteristics of subsea gas pipeline leaks. The model considers different operating pressures, hole sizes, and shapes. The Ffowcs Williams and Hawkings model was employed to capture the acoustic characteristics of sonic waves generated by pipeline leaks. The impact of pipeline pressure, hole size, and shape on acoustic characteristics was examined focusing on low-frequency acoustic pressure, high-frequency acoustic pressure, and average acoustic pressure. The results indicated that the average sound pressure level increases with the higher pipeline operating pressure. For the circular leak holes, the average sound pressure level rises with increasing hole size, and leaks from circular holes exhibit the highest average sound pressure level. Additionally, the sound pressure level decreases as the frequency increases. The outcomes can help to understand the knowledge of underwater gas pipeline leak. Besides, it is the important inputs for developing the acoustic localization model of subsea gas pipeline leak.
    publisherAmerican Society of Civil Engineers
    titleInvestigation of Characteristics of Acoustic Emission Signals Resulting from a Subsea Gas Pipeline Leak
    typeJournal Article
    journal volume16
    journal issue1
    journal titleJournal of Pipeline Systems Engineering and Practice
    identifier doi10.1061/JPSEA2.PSENG-1684
    journal fristpage04024065-1
    journal lastpage04024065-9
    page9
    treeJournal of Pipeline Systems Engineering and Practice:;2025:;Volume ( 016 ):;issue: 001
    contenttypeFulltext
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