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 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 …

Large eddy simulations of cavitation around a pitching–plunging hydrofoil

A Alavi, E Roohi - Physics of Fluids, 2023 - pubs.aip.org
In this study, we numerically examine the behavior of the NACA (National Advisory
Committee for Aeronautics) 66 hydrofoil under combined oscillatory motion, considering …

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 …

Cavitation analysis of plunging hydrofoils using large eddy simulations

A Alavi, M Ghasemnezhad, E Roohi - Ocean Engineering, 2024 - Elsevier
This study employs numerical analysis to investigate the behavior of the National Advisory
Committee for Aeronautics (NACA) 66 modified (mod) hydrofoil under plunging motion …

Vortex and cavity dynamics for the tip-leakage cavitation over a hydrofoil

Z Qian, Z Wang, C Geng, X Luo - Physics of Fluids, 2022 - pubs.aip.org
Large eddy simulations were used to investigate unsteady tip-leakage cavitating flow over a
National Advisory Committee for Aeronautics 0009 hydrofoil. The proper orthogonal …

Experimental investigation of three distinct mechanisms for the transition from sheet to cloud cavitation

G Zhang, D Zhang, M Ge, M Petkovšek… - International Journal of …, 2022 - Elsevier
The conventional high-speed images of cavitation with a set of X-ray phase contrast images
reveal the presence of three different types of mechanisms responsible for large cloud …

Unsteady cavitation dynamics and pressure statistical analysis of a hydrofoil using the compressible cavitation model

X Zhao, Z Wang, X Bai, H Cheng, B Ji - Physics of Fluids, 2023 - pubs.aip.org
A compressible cavitation model is developed in this paper, in which the bubble wall velocity
is obtained by solving the compressible Rayleigh–Plesset (R–P) equation. Additionally …