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PERTURBANCE ANALYSIS AND FISSION MODEL OF COLLAPSING BUBBLE

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    0351859 - ÚT 2011 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
    Petrík, P. - Zima, Patrik - Ridha, A.
    PERTURBANCE ANALYSIS AND FISSION MODEL OF COLLAPSING BUBBLE.
    International Conference Experimental Fluid Mechanics 2010. Vol. 1. Liberec: Technical University of Liberec, 2010 - (Vít, T.; Dančová, P.), s. 507-514. ISBN 978-80-7372-670-6.
    [International Conference Experimental Fluid Mechanics 2010. Liberec (CZ), 24.11.2010-26.11.2010]
    Grant CEP: GA ČR GAP101/10/1428
    Výzkumný záměr: CEZ:AV0Z20760514
    Klíčová slova: cavitation bubble * collapse * fission
    Kód oboru RIV: BK - Mechanika tekutin

    A new criterion for the assessment of the reliability of the Rayleigh-Plesset equation is proposed. An analysis of the shape stability of the spherical surface of the bubble during the collapse is used to develop a physical model, which incorporates the loss of shape stability, surface energy dissipation and fission process. The model also estimates the number of bubble fragments as well as conditions for the fission to occur. Finally, some aspects of the numerical code, especially error estimation and propagation of rounding error, are discussed.
    Trvalý link: http://hdl.handle.net/11104/0191511

     
     
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