To broaden the efficient operating zone and increase the energy efficiency of a multi-stage
double-suction centrifugal pump, a multi-component and multi-condition optimization design …

To cooperate with new energy sources such as wind and solar, pumped storage units are
required to frequently change conditions and operate under part loads, leading to the …

Based on the vigorous development of global renewable energy, pumped storage hydro
(PSH) has been widely used. As PSH needs to undergo multiple modes conversion, its grid …

Stall phenomenon, a classical physical phenomenon which is located in the vaneless region
of a pump–turbine and accompanied by a complex vortex evolution process, is strongly …

The development of high-head pumped-storage projects presents various opportunities and
challenges. One challenge is the operational stability of pumped-storage power plants …

Hydraulic loss and vorticity are two most common methods in analyzing the flow
characteristics in hydro-machine, ie, centrifugal pump, Francis turbine, etc. While the …

In this study, the unsteady flow of an ultra-high-head model pump turbine in pump mode is
numerically investigated, revealing the evolution mechanism of unsteady flow diffusion and …

Unmanned aerial vehicles (UAV) on Mars operate in a thin atmosphere of carbon dioxide,
where the flow Reynolds number and local sound velocity are significantly reduced …

With the increase in the designed net head and output capacity, the operational stability of
the pump turbine, which is the core component of a pumped storage power station, requires …

Pumped storage power plants, which is known as only large-scale energy management
equipment, plays a vital important role in energy field. Hump characteristic and S …