Investigation of turbulence models for computation of swirling flows
A. V. SentyabovSiberian Federal UniversityА. А. ГавриловKrasnoyarsk Department of the Institute of Thermophysics SB RAS, Krasnoyarsk, RussiaА. А. ДектеревKrasnoyarsk Department of the Institute of Thermophysics SB RAS, Krasnoyarsk, Russia
2011en
ABI
Abstract
Different turbulence models were studied in application to calculation of swirling flows. The differential models of turbulent viscosity considering streamline curvature and the method of detached eddy simulation were used. Weakly and strongly swirling flows were considered at the example of concentrated vortex in a tube, swirling flow in a diffuser, and vortex breakdown through an abrupt expansion. The RANS models with correction to flow swirling represented well the experimental data for the weakly swirling flows. In case of strongly swirling flows, it was more correct to use the method of detached eddy simulation.
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