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Hybrid RANS/LES Simulation of Swirling Flow in a Hydroturbine Draft Tube

DOI: 10.1615/ICHMT.2012.ProcSevIntSympTurbHeatTransfPal.2020
pages 1975-1984

A. A. Dekterev
Institute of Thermophysics of SB RAS, Krasnoyarsk branch, 50/44 Akademgorodok, ICM SB RAS, TORINS, Krasnoyarsk, 660036; Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, 1 Akad. Lavrentiev Ave., Novosibirsk, 630090

A. A. Gavrilov
Institute of Thermophysics of SB RAS, Krasnoyarsk branch, 50/44 Akademgorodok, ICM SB RAS, TORINS, Krasnoyarsk, 660036; Institute of Thermophysics of SB RAS, Ac. Lavrentieva ave. 1, Novosibirsk, Russian Federation, 630090; Novosibirsk State University, Pirogova st., 2, Novosibirsk, Russian Federation, 630090

Ar. A. Dekterev
Institute of Thermophysics, SB RAS, Lavrentyeva 1, Novosibirsk, Russia

A. V. Minakov
Siberian Federal University, Institute of Thermophysics of SB RAS, Baker Hughes Inc, 50/44 Akademgorodok, ICMSB RAS, TORINS, Krasnoyarsk, 660036; Novosibirsk State University, Novosibirsk, Russia

D. Platonov
Siberian Federal University, Svobodniy 79, Krasnoyarsk, Russia; Novosibirsk State University, Novosibirsk, Russia

A. V. Sentyabov
Institute of Thermophysics, SB RAS, Lavrentyeva 1, Novosibirsk; Novosibirsk State University, Pirogova st., 2, Novosibirsk, Russian Federation, 630090; Siberian Federal University, Svobodniy 79, Krasnoyarsk, Russia

Abstrakt

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.

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