Gravitational surface vortex formation and suppression control: A review from hydrodynamic characteristics

G Zheng, Z Gu, W Xu, B Lu, Q Li, Y Tan, C Wang, L Li - Processes, 2022 - mdpi.com
The energy-conversion stability of hydropower is critical to satisfy the growing demand for
electricity. In low-head hydropower plants, a gravitational surface vortex is easily generated …

Dynamic behaviors of multiphase vortex-induced vibration for hydropower energy conversion

L Li, B Lu, W Xu, C Wang, J Wu, D Tan - Energy, 2024 - Elsevier
To satisfy the growing electricity demand, continuous and stable hydropower conversion is
particularly critical in tidal power station operation. In the above industrial application …

Investigation on the lubrication heat transfer mechanism of the multilevel gearbox by the lattice boltzmann method

Q Li, P Xu, L Li, W Xu, D Tan - Processes, 2024 - mdpi.com
In a gear transmission system in a closed space, the heat transfer between gears and fluids
presents highly nonlinear characteristics due to the complex physical processes involved in …

[HTML][HTML] Free surface vortices at hydropower intakes:–A state-of-the-art review

MK Domfeh, S Gyamfi, M Amo-Boateng, R Andoh… - Scientific African, 2020 - Elsevier
For years, the study of free surface vortices at hydropower plant intakes has been a topical
and intriguing subject among engineers and researchers. This subject will continue to attract …

Research on the mechanism of the effect of vortex on the hydraulic loss of pump as turbine units based on entropy production theory

X Song, Z Wang, Y **, C Liu, A Presas, F Tang, Y Lu - Renewable Energy, 2025 - Elsevier
Pump as turbine (PAT) is a common method of energy recovery, however, vortices are a
negative phenom for these units. The objective of this research is to study the effect of vortex …

Energy dissipation and time–frequency analysis of characteristics induced by vortex breakdown in an axial flow pump

X Song, Y **, Z Wang, P Alexandre, F Tang, C Liu - Physics of Fluids, 2024 - pubs.aip.org
Vortex breakdown in a pump sump is a complex and negative factor for the pump. Different
from my previous study that focused mainly on the development process of vortex and its …

Investigation on the air-core vortex in a vertical hydraulic intake system

D Zi, F Wang, C Wang, C Huang, L Shen - Renewable Energy, 2021 - Elsevier
Air-core vortex occurred at the hydraulic intakes deteriorates the performance and operation
stability of hydraulic machineries. To investigate the evolution process and generation …

Understanding vortex characteristics in hydraulic systems: a temperature-driven analysis

AA Amini, H Sarkardeh, E Jabbari, A Eidi - Modeling Earth Systems and …, 2024 - Springer
Hydraulic engineers confront challenges posed by free surface vortices at pump and power
intakes, influencing turbine efficiency and causing hydraulic losses and blockage. This study …

Suppression of rankine vortex formation in liquid draining tanks: A critical review

M Prabhu, CM Hariprasad, RA Kumar - European Journal of Mechanics-B …, 2024 - Elsevier
Air-core vortexing phenomenon during draining of liquids from cylindrical vessels is of major
interest because this phenomenon has significant impact in multiple engineering systems …

Numerical analysis of transient vortex formation at the outlet of a tank containing gas-liquid phases

M Mohseni, MK Domfeh - Journal of Applied Fluid Mechanics, 2023 - jafmonline.net
One of the basic phenomena when a liquid leaves a tank is the formation of vortices. This
phenomenon can have a significant impact on the liquid mass remaining in the tank and the …