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 …

Introduction to redundancy rules: the continuous wavelet transform comes of age

PS Addison - … Transactions of the Royal Society A …, 2018 - royalsocietypublishing.org
Redundancy: it is a word heavy with connotations of lacking usefulness. I often hear that the
rationale for not using the continuous wavelet transform (CWT)—even when it appears most …

Multiscale modeling of different cavitating flow patterns around NACA66 hydrofoil

B Tian, L Li, Y Meng, B Huang - Physics of Fluids, 2022 - pubs.aip.org
The multiscale effect of cavitation is a complicated multiphase phenomenon involving
macroscale cavities and microscale bubbles. The cavitating flows at four different patterns …

Wavelet analysis and frequency spectrum of cloud cavitation around a sphere

A Kolahan, E Roohi, MR Pendar - Ocean Engineering, 2019 - Elsevier
In this paper, wavelet analysis of the cavitating flow over a sphere is reported. Unsteady and
dynamic behaviors of cavitation were captured using large eddy simulation (LES) turbulence …

Transient simulation of reversible pump turbine during pump mode's starting up

F Jin, Y Luo, H Bi, H Wang, Z Wang, K Lin, X Lei… - Journal of Energy …, 2023 - Elsevier
A pumped storage power station is an electric power system that utilizes low-peak electricity
to pump water into a high-altitude reservoir and releases water to generate electricity during …

Natural nuclei population dynamics in cavitation tunnels

MT Khoo, JA Venning, BW Pearce, K Takahashi… - Experiments in …, 2020 - Springer
Nuclei, or microbubble, populations control the inception and dynamics of cavitation. It is,
therefore, important to quantify distributions in cavitation test facilities to rigorously model …

Spatial-temporal features of the coherent structure of sheet/cloud cavitation flows using a frequency-weighted dynamic mode decomposition approach

H Zhang, Y Liu, B Wang - Physics of Fluids, 2021 - pubs.aip.org
To analyze the spatial-temporal features of sheet/cloud cavitating flows, a frequency-
weighted dynamic mode decomposition (DMD) approach was proposed. A series of …

Nucleation effects on cavitation about a sphere

PA Brandner, JA Venning… - Journal of Fluid …, 2022 - search.proquest.com
The influence of nucleation on cavitation about a sphere from inception through to
supercavitation at a transcritical Reynolds number of\(1.5\times 10^{6}\) is investigated …

Space-time frequency spectra analyses of the unsteady cavitating vortical flows inside a mixed-flow pump

R Huang, R Qiu, Y Wang, X Luo, W Zhang - Ocean Engineering, 2021 - Elsevier
The objective of this paper is to investigate the space-time frequency spectra for cavitating
flows in a mixed-flow pump by using both fast Fourier transform and wavelet transform …

Numerical study of multiscale cavitating flow around a hydrofoil

T Beichen, L Linmin, C Jie, H Biao… - Chinese Journal of …, 2022 - lxxb.cstam.org.cn
The multiscale effect of cavitation is a complex hydrodynamic phenomenon involving
macroscale cavitation, microscale cavitation bubbles and transformation between scales …