Nucleation effects on cloud cavitation about a hydrofoil

JA Venning, BW Pearce, PA Brandner - Journal of Fluid Mechanics, 2022 - cambridge.org
The dynamics of cloud cavitation about a three-dimensional hydrofoil are investigated
experimentally in a cavitation tunnel with depleted, sparse and abundant free-stream nuclei …

Numerical investigation of positive effects of ventilated cavitation around a NACA66 hydrofoil

T Sun, Z Wang, L Zou, H Wang - Ocean Engineering, 2020 - Elsevier
Cavitation is of great practical interest because unsteady flow features can induce negative
effects such as mechanical erosion and noise. Air injection is an important way to adjust the …

Suppression of unsteady partial cavitation by a bionic jet

Y Gu, Z Yin, S Yu, C He, W Wang, J Zhang… - International Journal of …, 2023 - Elsevier
To suppress the cavitation phenomenon of the fluid machinery under high-velocity flow
conditions, we designed the shark gill slit jet structure based on the principle of bionics. The …

Numerical study of cavitation regimes in flow over a circular cylinder

FL Brandao, M Bhatt, K Mahesh - Journal of Fluid Mechanics, 2020 - cambridge.org
Cavitating flow over a circular cylinder is investigated over a range of cavitation numbers (,
in the transitional regime, indicates that the region of attached cavity is nearly two …

Numerical simulation study of cavitation characteristics of jet hydrofoil surface

Y Gu, Q Qiu, S Yu, C Hu, H Ding, D Wu, J Mou - Energy, 2024 - Elsevier
To mitigate the adverse effects of cavitation on the performance degradation and chemical
corrosion of hydraulic machines, a jet hydrofoil physical model based on the structure of a …

Numerical investigation of partial cavitation regimes over a wedge using large eddy simulation

M Bhatt, K Mahesh - International Journal of Multiphase Flow, 2020 - Elsevier
Partial cavitation over incipient, transitory and periodic regimes is investigated using large
eddy simulation (LES) in the (experimental) sharp wedge configuration of Ganesh et …

Surface cavitation flow characterization of jet hydrofoils based on vortex identification method

Y Gu, L Ma, S Yu, M Yan, D Wu, J Mou - Physics of Fluids, 2023 - pubs.aip.org
The vortex structure is a typically coherent structure. The influence of hydrofoil jets with
different chordal positions on the vortex structure in the hydrofoil flow field is investigated to …

Dynamics of the cavity evolution during vertical water entry of deformable spheres

L Yang, Y Wei, C Wang, W Xia, J Li, Z Wang… - Physics of …, 2021 - pubs.aip.org
Despite cavity dynamics have been studied for more than a century, cavity formations during
water entry of deformable spheres have rarely been studied. Series of interesting cavities …

On the physical mechanism of tip vortex cavitation hysteresis

A Amini, M Reclari, T Sano, M Iino, M Dreyer… - Experiments in …, 2019 - Springer
Inception and desinence thresholds of tip vortex cavitation (TVC), generated by an elliptical
NACA 16-020 hydrofoil, are measured at different flow conditions for various gas contents. It …

[HTML][HTML] 通气超空泡稳定性机理与调控研究进展

王志英, 王静竹, 黄荐, 王展, 王一伟 - 力学进展, 2024 - lxjz.cstam.org.cn
通气超空泡减阻是突破传统水下速度极限, 实现高速航行的关键技术, 具有重要的工程应用价值.
超空泡航行体的航行稳定性是制约其发展的瓶颈问题, 这与通气超空泡形态的稳定性密切相关 …