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    Parametric Assessment of Size and Peak Pressure Variability for Cavitation Bubbles Induced by Low-Voltage Discharge

    Source: Journal of Fluids Engineering:;2025:;volume( 147 ):;issue: 005::page 51504-1
    Author:
    Bourgeois, Janika
    ,
    Cara, Axelle
    ,
    Savard, Justine
    ,
    Buron, Jean-David
    ,
    Houde, Sébastien
    DOI: 10.1115/1.4067647
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Cavitation presents a significant challenge in the operation and longevity of hydraulic machinery. Studying a single cavitation bubble can provide fundamental insights into the phenomenon. One simple and popular method to generate such bubbles is through a low-voltage discharge between two contacting electrodes to create a spark that locally vaporizes water. This study investigates the repeatability of low-voltage discharge in generating consistent bubbles. The electrode length is one parameter that influences the bubble size. However, the excess length (the electrode length after the contact point) is shown to be the primary variable influencing the bubble size rather than the total electrode length. Additionally, even for bubbles of similar size, significant variability in wall pressure peaks was observed for bubbles generated far from the surface. This variability correlates with the time the electrodes require to melt and break. Longer melting times are associated with extended bubble lifetimes and lower pressure peaks.
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      Parametric Assessment of Size and Peak Pressure Variability for Cavitation Bubbles Induced by Low-Voltage Discharge

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4306071
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    contributor authorBourgeois, Janika
    contributor authorCara, Axelle
    contributor authorSavard, Justine
    contributor authorBuron, Jean-David
    contributor authorHoude, Sébastien
    date accessioned2025-04-21T10:22:59Z
    date available2025-04-21T10:22:59Z
    date copyright2/10/2025 12:00:00 AM
    date issued2025
    identifier issn0098-2202
    identifier otherfe_147_05_051504.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4306071
    description abstractCavitation presents a significant challenge in the operation and longevity of hydraulic machinery. Studying a single cavitation bubble can provide fundamental insights into the phenomenon. One simple and popular method to generate such bubbles is through a low-voltage discharge between two contacting electrodes to create a spark that locally vaporizes water. This study investigates the repeatability of low-voltage discharge in generating consistent bubbles. The electrode length is one parameter that influences the bubble size. However, the excess length (the electrode length after the contact point) is shown to be the primary variable influencing the bubble size rather than the total electrode length. Additionally, even for bubbles of similar size, significant variability in wall pressure peaks was observed for bubbles generated far from the surface. This variability correlates with the time the electrodes require to melt and break. Longer melting times are associated with extended bubble lifetimes and lower pressure peaks.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleParametric Assessment of Size and Peak Pressure Variability for Cavitation Bubbles Induced by Low-Voltage Discharge
    typeJournal Paper
    journal volume147
    journal issue5
    journal titleJournal of Fluids Engineering
    identifier doi10.1115/1.4067647
    journal fristpage51504-1
    journal lastpage51504-10
    page10
    treeJournal of Fluids Engineering:;2025:;volume( 147 ):;issue: 005
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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