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Numerical solution of unsteady flow in turbine stage

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    0330942 - ÚT 2010 RIV HU eng C - Conference Paper (international conference)
    Halama, Jan - Furst, Jiří - Fořt, Jaroslav - Kozel, Karel
    Numerical solution of unsteady flow in turbine stage.
    [Numerické řešení nestacionárního proudění v turbínovém stupni.]
    Conference on Modelling Fluid Flow Proceedings. Budapest: Dept. Fluid Mechanics, Budapest University of Technology and Economics, Budapest, 2009 - (Vád, J.), s. 1-8. ISBN 978-963-420-985-0.
    [International Conference on Fluid Flow Technologies /14./. Budapest (HU), 09.09.2009-12.09.2009]
    R&D Projects: GA ČR GA101/07/1508
    Institutional research plan: CEZ:AV0Z20760514
    Keywords : stator-rotor interaction * unsteady flow, * implicit method
    Subject RIV: BK - Fluid Dynamics

    This paper refers about the development of implicit numerical method for modeling of~unsteady stator-rotor interaction. The temporal discretization is based on fixed number of dual time iterations. The stator-rotor coupling algorithm is described and the time step size issue is discussed. Numerical results for the case of compressible flow in high pressure turbine stage are compared with numerical results achieved by independent numerical method with different topology of computational grid, numerical flux as well as discretization.

    Tato práce popisuje vývoj implicitní metody pro řešení nestacionární interakce statoru a rotoru. Časová diskretizace je založena na pevném počtu iterací v duálním čase. Je diskutována metoda svazování. Numerické výsledky získané implicitní metodou jsou porovnány s numerickými výsledky nezávislé numerické metody.
    Permanent Link: http://hdl.handle.net/11104/0176601

     
     
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