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USE of methods of mathematical modeling to analyze low-frequency pressure pulsations in the continuous run of high-head HPP

Описание

Тип публикации: статья из журнала

Год издания: 2015

Идентификатор DOI: 10.1007/s10749-015-0580-8

Ключевые слова: CFD, Hydraulic turbine, Mathematical model, Precessing vortex core, Pressure pulsations, Turbulence, Hydraulic motors, Hydraulic turbines, Mathematical models, Numerical methods, Vortex flow, Low-frequency pressure pulsations, Pressure pulsation, Unsteady process, Unsteady turbulent flows, Computational fluid dynamics, hydroelectric power plant, numerical model, pressure, turbine

Аннотация: Anumerical procedure is presented for analysis of pressure pulsations in hydraulic turbines. Results of its use for description of unsteady turbulent flow in the continuous run of a hydraulic turbine are presented. The numerical method is adapted for results of modeling of turbulent unsteady flow in the continuous rune of a high-heПоказать полностьюad HPP. The structure of the flow beyond the impeller and its effect on the intensity of unsteady processes are examined. Results of the analysis are compared with full-scale data. Good agreement is obtained between the computed and experimental results. © 2015 Springer Science+Business Media New York.

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Издание

Журнал: Power Technology and Engineering

Выпуск журнала: Vol. 49, Is. 2

Номера страниц: 90-97

Персоны

  • Minakov A.V. (Siberian Federal University)
  • Platonov D.V. (Siberian Federal University)
  • Dekterev A.A. (Siberian Federal University)
  • Sentyabov A.V. (Siberian Federal University)
  • Pylev I.M. (SKB “Gidroturbomash”, Branch of the JSC Silovye Mashiny)
  • Zakharov A.V. (JSC “Silovye Mashiny”, St. Petersburg)

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