Zuo, Zhigang; Liu, Shuhong; Sun, Yuekun; Wu, Yulin - In: Renewable and Sustainable Energy Reviews 41 (2015) C, pp. 965-974
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...