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Numerical modelling of turbulent transition in complex geometries

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    0491092 - ÚT 2019 RIV FR eng C - Conference Paper (international conference)
    Louda, Petr - Příhoda, Jaromír - Kozel, K.
    Numerical modelling of turbulent transition in complex geometries.
    EPJ Web of Conferences. Les Ulis: Cedex: EDP Sciences, 2018, č. článku 02057. 180. E-ISSN 2100-014X.
    [EFM17 – Experimental Fluid Mechanics 2017. Mikulov (CZ), 21.11.2017-24.11.2017]
    R&D Projects: GA ČR GAP101/12/1271
    Institutional support: RVO:61388998
    Keywords : turbine cascade * transition modelling * shock wave-boundary layer interaction * wind tunnel
    Subject RIV: BK - Fluid Dynamics
    OBOR OECD: Applied mechanics

    The work deals with numerical simulation of laminar-turbulent transition in transonic flows in turbine cascades. The 3D cascade geometry as well as 2D model cascade in a wind tunnel is simulated. The gamma-zeta transition model is based on empirical criteria for start of the transition. The implementation of the model is discussed including reformulation of the criterion for transition on separation bubble.
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