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    Three-dimensional oscillation of an acoustic microbubble between two rigid curved plates

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    Authors
    Manmi, Kawa
    Aziz, Imad
    Arjunan, Arun
    Rostam, Saeed
    Abdolrahman, Dadvand
    Issue Date
    2021-11-08
    
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    Abstract
    Understanding the near boundary acoustic oscillation of microbubbles is critical for the effective design of ultrasonic biomedical devices and surface cleaning technologies. Accordingly, this study investigates the three-dimensional microbubble oscillation between two curved rigid plates experiencing a planar acoustic field using boundary integral method (BIM). The numerical model is validated via comparison with the nonlinear oscillation of the bubble governed by the modified Rayleigh-Plesset equation and with the axisymmetric model for an acoustic microbubble in infinite fluid domain. Then, the influence of the wave direction and horizontal standoff distance (h) on the bubble dynamics (including jet velocity, jet direction, centroid movement, total energy, and Kelvin impulse) is evaluated. It was concluded that the jet velocity, the maximum radius and the total energy of the bubble are not significantly influenced by the wave direction, while the jet direction and the high-pressure region depend strongly on it. More importantly, it was found that the jet velocity and the high-pressure region around the jet in acoustic bubble are drastically larger than their counterparts in the gas bubble.
    Citation
    Kawa, M., Aziz, I.A., Arjunan, A., Saeed, R.K. and Dadvand, A. (2021) Three-dimensional oscillation of an acoustic microbubble between two rigid curved plates. Journal of Hydrodynamics, 33, pp. 1019–1034 (2021). https://doi.org/10.1007/s42241-021-0090-0
    Publisher
    Springer
    Journal
    Journal of Hydrodynamics
    URI
    http://hdl.handle.net/2436/624354
    Additional Links
    https://www.springer.com/journal/42241
    Type
    Journal article
    Language
    en
    Description
    This is an accepted manuscript of an article published by Springer in Journal of Hydrodynamics on 8/11/2021, available online at: https://doi.org/10.1007/s42241-021-0090-0 The accepted version of the publication may differ from the final published version. For re-use please see the publisher's terms and conditions: https://www.springernature.com/gp/open-research/policies/accepted-manuscript-terms
    ISSN
    1001-6058
    Collections
    Faculty of Science and Engineering

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