Meta‐Lens Particle Image Velocimetry

X Liu, Z Zhao, S Xu, J Zhang, Y Zhou, Y He… - Advanced …, 2024 - Wiley Online Library
Fluid flow behavior is visualized through particle image velocimetry (PIV) for understanding
and studying experimental fluid dynamics. However, traditional PIV methods require multiple …

Experimental study of vortex ring impingement on concave hemispherical cavities

T Ahmed, BD Erath - Journal of Fluid Mechanics, 2023 - cambridge.org
Discrete vortex rings impinging on concave hemispherical cavities were explored
experimentally. Planar laser-induced fluorescence, two-dimensional particle image …

Reynolds number effect of a vortex ring impinging on a concave hemi-cylindrical shell

L Zhang, G Li, WL Chen, D Gao - Physics of Fluids, 2024 - pubs.aip.org
Experimental investigations were conducted on a single vortex ring impinging on a concave
hemi-cylindrical shell with D m/D e= 2 at different Reynolds numbers. Vortex rings with five …

Collisions of vortex rings with hemispheres

TH New, B Xu, S Shi - Journal of Fluid Mechanics, 2024 - cambridge.org
A numerical investigation was conducted on hemisphere hypothesizes that the recurring
tertiary vortex ring formations cease only when the primary vortex ring slows down …

A large-eddy simulation study on vortex-ring collisions upon round cylinders

TH New, GJ Gotama, US Vevek - Physics of Fluids, 2021 - pubs.aip.org
A large-eddy simulation based numerical study was conducted on head-on collisions
between vortex-rings and round cylinders. The vortex-ring Reynolds number was Re= 4000 …

Vortex–wall interactions in elliptic impinging synthetic jets

Y Xu, D Fan, L Wang - Physics of Fluids, 2024 - pubs.aip.org
Vortex structures and flow scenarios of noncircular vortex rings impinging onto walls were
studied by conducting a large eddy simulation. Three orifice aspect ratios, ARs= 3, 5, and 7 …

Shock wave formation from head-on collision of two subsonic vortex rings

RL Bauer, CJ Thomas, EVP Baker, EM Johnson… - Scientific Reports, 2022 - nature.com
Vortex ring collisions have attracted intense interest in both water and air studies (Baird in
Proc R Soc Lond Ser Math Phys Sci 409: 59–65, 1987, Poudel et al. in Phys Fluids 33 …

Vortex collision against static and spinning round cylinders: A lattice Boltzmann study

A De Rosis - Computers & Fluids, 2023 - Elsevier
In this paper, the flow physics generated by the collision of a vortex dipole that moves
against a spinning round cylinder is investigated numerically. Fluid dynamics is predicted by …

Deformation and splitting of a vortex ring along a thin plate

X Wang, WL Chen, X Chang, H Li, D Gao - Ocean Engineering, 2024 - Elsevier
An experimental study of a vortex ring interacting with a thin flat plate is conducted to explore
the intricate dynamics of a vortex ring interacting with a thin flat plate, specifically focusing on …

Effect of thermal buoyancy on vortex ring air supply mode

C Zhai, Y Wang, Z Cao, T Zhao, R Wang… - Building and …, 2022 - Elsevier
Owing to the air buoyancy effect in the non-isothermal environment, the air supply efficiency
will be greatly reduced due to the severe interference of the air distribution and air supply …