A concise survey of the literature on cyclostationarity of the last 10 years is presented and an
extensive bibliography included. The problems of statistical function estimation, signal …

Currently, operations of reversible pump turbines in pumped hydro energy storage plant
suffer great instability problems in the well-known S-shaped characteristic regions, leading …

In order to explore mechanism and propagation characteristics of rotating stall, the unsteady
flow characteristics of a mixed-flow pump are calculated based on SST turbulence model …

S-shaped characteristics on the performance curves of pump-turbines in turbine mode
promote instability problems in associated transient processes, eg, difficulties in …

Rotating stall in centrifugal pumps takes place frequently under part-load conditions, along
with high pressure pulsation. The major focus for studies is rotating stall inside the impeller …

The flexible peak-shaving and frequency-regulating forms of pumped-storage power
stations benefit from the conversion of multiple operation conditions of reversible pump …

In the present paper, the vibrational performance and its physical origins of a prototype
reversible pump turbine in the pumped hydro energy storage power station is experimentally …

The characteristics of pressure fluctuations in a prototype reversible pump turbine (RPT) is
investigated within a wide range of load conditions with a focus on the low-load condition …

Intermittent renewable energy sources are characterized by a highly fluctuating,
unpredictable and delocalized energy production, which significantly limits their penetration …

In this study, the unstable flow characteristics in vaneless region of the pump-turbine with
different runner blade lean has been numerically investigated by using a modified SST k-ω …