Mechanism of emergence of intense vibrations of turbines on the Sayano-Shushensk hydro power plant

It is demonstrated that the level of vibrations of turbines on the Sayano-Shushensk hydro power plant is enhanced by the capability of a compressible fluid to perform its own hydroacoustic oscillations (which can be unstable) in the turbine duct. Based on the previously obtained results of solving t...

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Bibliographic Details
Published in:Journal of applied mechanics and technical physics 2010-07, Vol.51 (4), p.590-597
Main Authors: Kurzin, V. B., Seleznev, V. S.
Format: Article
Language:English
Subjects:
Applications of Mathematics
Classical and Continuum Physics
Classical Mechanics
Compressible fluids
Ducts
Electric power generation
Electric power plants
Fluid- and Aerodynamics
Mathematical Modeling and Industrial Mathematics
Mechanical Engineering
Monitoring
Oscillations
Physics
Physics and Astronomy
Turbines
Vibration
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Summary:It is demonstrated that the level of vibrations of turbines on the Sayano-Shushensk hydro power plant is enhanced by the capability of a compressible fluid to perform its own hydroacoustic oscillations (which can be unstable) in the turbine duct. Based on the previously obtained results of solving the problem of natural hydroacoustic oscillations in the turbine duct and some ideas about turbine interaction with an unsteady compressible fluid flow, results of full-scale studies of turbine vibrations and seismic monitoring of the dam of the Sayano-Shushensk hydro power plant before and during the accident are analyzed.
ISSN:0021-8944
1573-8620
DOI:10.1007/s10808-010-0075-1