In this paper, a multiphase Lattice Boltzmann approach is adopted to directly simulate flow conditions that lead to the inception of cavitation in an orifice.Different values of fluid surface tension are considered, which play a dramatic role in the evolution of vapour cavity, as well as different inlet velocities at the computational domain boundary.The results of the flow simulations in terms of density and velocity magnitude fields are examined, with special focus on the components of the stress tensor inside the cavitating region: a comparison with cavitation inception criteria known form literature is proposed, highlighting the good agreement between our direct numerical simulations and theoretical predictions.


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    Titel :

    Direct Numerical Simulation of Flow Induced Cavitation in Orifices


    Weitere Titelangaben:

    Sae Int. J. Fuels Lubr
    Sae International Journal of Fuels and Lubricants


    Beteiligte:
    Jannelli, Elio (Autor:in) / Falcucci, Giacomo (Autor:in) / Bella, Gino (Autor:in) / Ubertini, Stefano (Autor:in)

    Kongress:

    11th International Conference on Engines & Vehicles ; 2013



    Erscheinungsdatum :

    2013-09-08


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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