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 …

[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 …

Partial cavity shedding on a hydrofoil resulting from re-entrant flow and bubbly shock waves

A Bhatt, H Ganesh, SL Ceccio - Journal of Fluid Mechanics, 2023 - cambridge.org
Partial cavity flows forming on a NACA0015 hydrofoil are visualized using high-speed
cinematography and time-resolved X-ray densitometry. These observations reveal the …

Nucleation and cavitation inception in high Reynolds number shear layers

ESC Allan, L Barbaca, JA Venning, PS Russell… - Physics of …, 2023 - pubs.aip.org
The influence of nucleation on cavitation inception in a high Reynolds number shear layer in
the wake of a backward-facing step was experimentally investigated in a water tunnel. The …

Simulation-based study of low-Reynolds-number flow around a ventilated cavity

H Liu, Z Xiao, L Shen - Journal of Fluid Mechanics, 2023 - cambridge.org
Ventilated cavitating flows are investigated via direct numerical simulations, using a coupled
level set and volume of fluid method to capture the interface between the air and water …

Flow pattern regime and unsteady characteristics of ventilated cavitating flow around the axisymmetric bodies with different headforms

L Hao, T Liu, D Kong, B Huang, G Wang, Y Wu - Physics of Fluids, 2023 - pubs.aip.org
This paper presents an experimental investigation of the flow pattern regime and unsteady
characteristics of ventilated cavities with different headform shapes. The test model consists …

Cavitating flow behind a backward facing step

A Bhatt, H Ganesh, SL Ceccio - International Journal of Multiphase Flow, 2021 - Elsevier
Flow topology and unsteady cavitation dynamics in the wake of a backward facing step was
investigated using high speed videography and time-resolved X-ray densitometry, along …

[HTML][HTML] Research progress on the stability mechanism and control of ventilated supercavitation

W Zhiying, W Jingzhu, H Jian, W Zhan, W Yiwei - 力学进展, 2024 - lxjz.cstam.org.cn
Ventilated supercavity drag reduction is a key technology to break through the traditional
underwater speed limit and achieve high-speed operation of underwater vehicles, which …

The structure of near-wall re-entrant flow and its influence on cloud cavitation instability

U Gawandalkar, C Poelma - Experiments in Fluids, 2022 - Springer
The so-called 're-entrant jet'is fundamental to periodic cloud shedding in partial cavitation.
However, the exact physical mechanism governing this phenomenon remains ambiguous …

X-ray phase contrast and absorption imaging for the quantification of transient cavitation in high-speed nozzle flows

IK Karathanassis, M Heidari-Koochi, Q Zhang… - Physics of …, 2021 - pubs.aip.org
High-flux synchrotron radiation has been employed in a time-resolved manner to
characterize the distinct topology features and dynamics of different cavitation regimes …