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621.224.35.-253.5

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. 12. |FR,1|, CADRUN2 2 , 15, 4(2), 2013

   



2013 Yu.V. Babachenko1, A.Yu. Avdyushenko2 JSC Power Machines, St. Petersburg Novosibirsk State University In work the method of determination non-stationary radial loads of the driving wheel of radial-axial hydroturbine, based on 3M calculations of incompressible liquid flow in the main flowing part and areas of leakages around the top and bottom of labyrinth seals is described. The method allows to calculate the radial loadings caused by flow non-uniformity in spiral camera and stator; rotor-stator interaction; flow non-uniformity behind the driving wheel owing to flow non-stationarity in draft tube cone (vortex rope, etc.); non-coaxiality of stator and rotor, bend of rotor shaft. Calculations are carried out in the program CADRUN complex. Creation of grid areas was carried out in ASTER system .

Key words: radial-axial hydroturbine, computing hydrodynamics, radial loadings, rotor, labyrinth seals _________________________________________

Yuriy Babachenko, Post-graduate Student. -mail:

Babachenko_YV@lmz.power-m.ru Alexander Avdyushenko, Post-graduate Student .

-mail: ovalur@gmail.com






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9, 3 ( 2017) - "" publishing@naukovedenie.ru http://naukovedenie.ru - "" ISSN 2223-5167 http://naukovedenie.ru/ 9, 3 (2017) http://naukovedenie.ru/vol9-3.php URL : http://naukovedenie.ru/PDF/17T...

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