This paper mainly summarizes the recent progresses for the cavitation study in the hydraulic
machinery including turbo-pumps, hydro turbines, etc.. Especially, the newly developed …

Vortex is one of typical structures of the unsteady flow inside the hydroturbines, leading to
significant pressure fluctuation, prominent vibration of the units, and fatigue of turbine …

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 …

Cavitation within a tip leakage flow remains a challenging issue in a variety of axial
hydraulic machines. It is still not possible nowadays to predict cavitation occurrence in such …

In order to investigate the effect of impeller tip clearance on the internal flow fields and the
hydraulic losses in mixed-flow pump, the entropy production method with computational fluid …

In the present work, the tip leakage vortex (TLV) in a mixed flow pump as turbine at pump
mode is decomposed and reconstructed by Dynamic Mode Decomposition (DMD) for the …

The present work investigates the pressure fluctuation intensity and vortex characteristic of a
mixed flow pump as turbine at pump mode with a tip clearance. The tip clearance between …

The tip-leakage vortex (TLV) cavitation is a challenging issue for a variety of axial hydraulic
turbines and pumps from both technical and scientific viewpoints. The flow characteristics of …

Transient cavitating flows of a mixedflow PAT (pump as turbine) at pump mode are
investigated experimentally and numerically. Radial force on principal axis is recorded and …

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 …