A review of tip clearance in propeller, pump and turbine

Y Liu, L Tan, B Wang - Energies, 2018 - mdpi.com
Propellers, pumps, and turbines are widely applied in marine equipment, water systems,
and hydropower stations. With the increasing demand for energy conservation and …

Influence of rotating speed on tip leakage vortex in a mixed flow pump as turbine at pump mode

Y Han, L Tan - Renewable Energy, 2020 - Elsevier
Tip clearance results in tip leakage flow from blade pressure side to suction side, and further
deteriorates the energy performance and operation stability. In the present work, the …

Theoretical prediction model of tip leakage vortex in a mixed flow pump with tip clearance

Y Liu, L Tan - Journal of Fluids Engineering, 2020 - asmedigitalcollection.asme.org
Tip clearance results in the leakage flow from blade pressure side to suction side, which will
further cause the tip leakage vortex (TLV). Moreover, the flow pattern in an impeller is …

Numerical and experimental analysis of flow phenomena in a centrifugal pump operating under low flow rates

Y Fu, J Yuan, S Yuan, G Pace… - Journal of Fluids …, 2015 - asmedigitalcollection.asme.org
The characteristics of flow instabilities as well as the cavitation phenomenon in a centrifugal
pump operating at low flow rates were studied by experimental and numerical means …

Influence of T-shape tip clearance on performance of a mixed-flow pump

T Lei, X Zhifeng, L Yabin, H Yue… - Proceedings of the …, 2018 - journals.sagepub.com
Influence of original and T-shape blade end on performance of a mixed-flow pump is
investigated by using experimental measurement and numerical simulation. The new …

Experimental investigation of the role of large scale cavitating vortical structures in performance breakdown of an axial waterjet pump

D Tan, Y Li, I Wilkes, E Vagnoni… - Journal of Fluids …, 2015 - asmedigitalcollection.asme.org
Flow phenomena and mechanisms involved in cavitation breakdown, namely, a severe
degradation of pump performance caused by cavitation, have been a longstanding puzzle …

Energy performance and flow characteristics of a multiphase pump with different tip clearance sizes

J Zhang, H Fan, W Zhang, Z Xie - Advances in Mechanical …, 2019 - journals.sagepub.com
Deep sea oil resources worldwide possess great potential for exploration; however,
multiphase medium technology requires urgent development. The multiphase pump has …

Tip leakage vortex trajectory and dynamics in a multiphase pump at off-design condition

G Shi, Z Liu, Y Xiao, H Li, X Liu - Renewable Energy, 2020 - Elsevier
Because of the clearance and pressure difference between the pressure side (PS) and the
suction side (SS), the tip leakage flow developed and evolved into tip leakage vortex (TLV) …

Influence of C groove on suppressing vortex and cavitation for a NACA0009 hydrofoil with tip clearance in tidal energy

Y Liu, L Tan - Renewable Energy, 2020 - Elsevier
Tidal energy was one of the renewable and sustainable energy forms under rapid
development in the past decades. In tidal energy conversion, the hydraulic machinery is the …

Pressure fluctuation and flow pattern of a mixed-flow pump with different blade tip clearances under cavitation condition

Y Xu, L Tan, Y Liu, S Cao - Advances in Mechanical …, 2017 - journals.sagepub.com
Cavitation phenomenon has strong transient characteristics and is highly influenced by
geometric structure. In this study, the cavitation performance with influence of blade tip …