A review of cavitation in tip-leakage flow and its control

H Cheng, B Ji, X Long, W Huai, M Farhat - Journal of Hydrodynamics, 2021 - Springer
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 …

Cavitation research with computational fluid dynamics: From Euler-Euler to Euler-Lagrange approach

B Ji, Z Wang, H Cheng, RE Bensow - Journal of Hydrodynamics, 2024 - Springer
Unsteady cavitating flow often contains vapor structures with a wide range of different length
scales, from micro-bubbles to large cavities, which issues a big challenge to precisely …

Numerical investigation of inner structure and its formation mechanism of cloud cavitating flow

Z Wang, H Cheng, B Ji, X Peng - International Journal of Multiphase Flow, 2023 - Elsevier
The inner structure and the formation mechanism of cloud cavitation around a twisted
hydrofoil was numerically investigated using a multi-scale method. A homogeneous mixture …

Euler–Lagrange study of cavitating turbulent flow around a hydrofoil

Z Wang, H Cheng, B Ji - Physics of Fluids, 2021 - pubs.aip.org
This study presented a multi-scale Eulerian–Lagrangian approach to simulate cavitating
turbulent flow around a Clark-Y hydrofoil to study the bubble dynamics. A large eddy …

Numerical investigation of how gap size influences tip leakage vortex cavitation inception using a Eulerian–Lagrangian method

X Wang, X Bai, H Cheng, B Ji, X Peng - Physics of Fluids, 2023 - pubs.aip.org
This paper investigates the effect of gap size on the inception of tip leakage vortex cavitation
(TLVC) with a hybrid Eulerian–Lagrangian model. Good agreement is achieved between the …

Large eddy simulation of cavitating flow around a pitching hydrofoil

M Ghasemnezhad, E Roohi - Ocean Engineering, 2024 - Elsevier
This numerical investigation employs advanced computational fluid dynamics techniques to
examine the intricate physics of cavitating flows around a pitching NACA 66 hydrofoil …

Study on the trajectory of tip leakage vortex and energy characteristics of mixed-flow pump under cavitation conditions

W Li, M Liu, L Ji, S Li, R Song, C Wang, W Cao… - Ocean …, 2023 - Elsevier
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 …

Numerical assessment of cavitation erosion risk on the Delft twisted hydrofoil using a hybrid Eulerian-Lagrangian strategy

Z Wang, H Cheng, RE Bensow, X Peng, B Ji - International Journal of …, 2023 - Elsevier
Cavitation damage is a major threat to the life span of fluid machinery and has been a hot
research issue in engineering for a long time. The current work aims to show the ability to …

[HTML][HTML] Investigation of cavitation noise using Eulerian-Lagrangian multiscale modeling

L Li, Y Niu, G Wei, S Manickam, X Sun, Z Zhu - Ultrasonics sonochemistry, 2023 - Elsevier
We have employed the large eddy simulation (LES) approach to investigate the cavitation
noise characteristics of an unsteady cavitating flow around a NACA66 (National Advisory …

Numerical prediction of cavitation erosion risk in an axisymmetric nozzle using a multi-scale approach

Z Wang, H Cheng, B Ji - Physics of Fluids, 2022 - pubs.aip.org
In the present study, a two-way coupling Eulerian–Lagrangian approach is developed to
assess the cavitation erosion risk in an axisymmetric nozzle. Macroscopic cavitation …