Pump as Turbine (PAT) is a technically and economically effective technology to utilize
small/mini/micro/pico hydropower, especially in rural areas. There are two main subjects that …

Owing to its ability to handle large flows, an axial flow pump as turbine (PAT) can generate
considerable amounts of electricity in small-scale hydropower plants. However, a PAT's …

The global energy shortage is gradually intensifying. A pump is a versatile device with
significant power consumption in energy conversion equipment. Of the world's total energy …

Cavitation and vibration are crucial characteristics in pumps, which directly contribute to the
safe and stable operation of pumps. Cavitation and vibration are both complicated …

The effect of temperature on the intensity and the dynamics of cavitation is investigated.
Experiments of cavitating flows are conducted at various cavitation numbers and …

To investigate the mechanism of tip leakage vortex (TLV) and energy loss caused by pump
cavitation. The SST k-ω turbulence model coupled with the Reynolds-averaged Navier …

Increasing energy demand in the World has led countries to use renewable energy sources
as a result of kinetic energy transformations of nature's building blocks such as wind, solar …

Tip leakage cavitation remains an unsolved problem that threatens the safe operation of
hydraulic machines and plagues researchers worldwide. The objective of this work is to …

Large-eddy simulation is performed to study the turbulence statistics and flow structures of
the water past a rotating axial-flow pump under different flow-rate working conditions. A …

In order to further enrich the theory of rotational stall, this paper explored the mechanism of
internal energy loss in the mixed-flow pump under stall condition based on the shear stress …