Application of Hybrid Methods to Calculations of Vortex Precession in Swirling Flows

  • A. Gavrilov
  • A. Dekterev
  • A. Minakov
  • D. Platonov
  • A. Sentyabov
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 117)


Application of DES method for swirling flows was considered. Swirling flow in a diffuser and vortex breakdown past an abrupt expansion were considered to test the application of detached eddy simulation method for swirling flows. Calculations of unsteady flows in draft tube of Kaplan turbine Holleforsen and in draft tube of high head Francis turbine were provided to investigate vortex rope precession in hydro turbine.


Recirculation Zone Draft Tube Swirling Flow Vortex Breakdown Detach Eddy Simulation 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • A. Gavrilov
    • 1
  • A. Dekterev
    • 1
  • A. Minakov
    • 2
  • D. Platonov
    • 2
  • A. Sentyabov
    • 1
  1. 1.Institute of ThermophysicsSiberian Branch of RASNovosibirskRussia
  2. 2.Siberian Federal UniversityKrasnoyarskRussia

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