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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v37.i8.30
pages 675-684

Simulation of Flow Structure in the Suction Pipe of a Hydroturbine by Integral Characteristics

P. A. Kuibin
S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, 1 Academician Lavrentiev Ave., Novosibirsk, 630090, Russia
V. L. Okulov
Technical University of Denmark, Department of Wind Energy, 2800 Kgs Lyngby, Denmark; S. S. Kutateladze Institute of Thermophysics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
I. M. Pylev
Branch of the "Power Machines" Open Joint-Stock Company — LMEP, St. Petersburg, Russia

RÉSUMÉ

Within the framework of a model of a twisted flow of an inviscid incompressible liquid, we solve the problem of determining the frequency and amplitude of oscillations caused by the precession of a helical vortex core in the suction tube of a hydroturbine from the specified integral characteristics: vortex intensity, liquid flow rate, and momentum and moment of momentum fluxes.