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  • Numerical insight into the Kelvin-Helmholtz instability appearance in cavitating flow [Elektronski vir]
    Pipp, Peter, energetik ; Hočevar, Marko, strojnik, 1972- ; Dular, Matevž
    Recently the development of Kelvin-Helmholtz instability in cavitating flow in Venturi microchannels was discovered. Its importance is not negligible, as it destabilizes the shear layer and promotes ... instabilities and turbulent eddies formation in the vapor region, having low density and momentum. In the present paper, we give a very brief summary of the experimental findings and in the following, we use a computational fluid dynamics (CFD) study to peek deeper into the onset of the Kelvin-Helmholtz instability and its effect on the dynamics of the cavitation cloud shedding. Finally, it is shown that Kelvin-Helmholtz instability is beside the re-entrant jet and the condensation shock wave the third mechanism of cavitation cloud shedding in Venturi microchannels. The shedding process is quasi-periodic.
    Vir: Applied sciences [Elektronski vir]. - ISSN 2076-3417 (Vol. 11, iss. 6, Mar. 2021, str. 1-12)
    Vrsta gradiva - e-članek
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 56979971

    Povezava(-e):

    https://www.mdpi.com/2076-3417/11/6/2644
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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