Pressure fluctuations in the vaneless space of High-head pump-turbines—A review

Zhigang Zuo, Shuhong Liu, Yuekun Sun and Yulin Wu

Renewable and Sustainable Energy Reviews, 2015, vol. 41, issue C, 965-974

Abstract: In high-head pump-turbines, observations in the engineering field show that the most detrimental hydraulic instabilities are pressure fluctuations in the vaneless space. For example, these pressure fluctuations can cause vibrations and fatigue failures in hydraulic components. It has been recognized that pressure fluctuations in vaneless space are induced primarily by the interactions between runner blades and guide vanes, i.e., rotor–stator interactions (RSI).

Keywords: Pressure fluctuations; Vaneless space; High-head pump-turbines; Rotor–stator interactions (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (34)

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DOI: 10.1016/j.rser.2014.09.011

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