2012 | OriginalPaper | Buchkapitel
Application of Hybrid Methods to Calculations of Vortex Precession in Swirling Flows
verfasst von : A. Gavrilov, A. Dekterev, A. Minakov, D. Platonov, A. Sentyabov
Erschienen in: Progress in Hybrid RANS-LES Modelling
Verlag: Springer Berlin Heidelberg
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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.