Vortex reconnection and turbulence cascade
As a fundamental topology-transforming event, reconnection plays a significant role in the
dynamics of plasmas, polymers, DNA, and fluids—both (classical) viscous and quantum …
dynamics of plasmas, polymers, DNA, and fluids—both (classical) viscous and quantum …
Dynamics of a trefoil knotted vortex
Dynamics of a trefoil knotted vortex Page 1 J. Fluid Mech. (2021), vol. 923, A19, doi:10.1017/jfm.2021.580
Dynamics of a trefoil knotted vortex Jie Yao1, Yue Yang2 and Fazle Hussain1,† 1Department …
Dynamics of a trefoil knotted vortex Jie Yao1, Yue Yang2 and Fazle Hussain1,† 1Department …
Irreversible dynamics of vortex reconnections in quantum fluids
We statistically study vortex reconnections in quantum fluids by evolving different
realizations of vortex Hopf links using the Gross–Pitaevskii model. Despite the time …
realizations of vortex Hopf links using the Gross–Pitaevskii model. Despite the time …
Construction and evolution of knotted vortex tubes in incompressible Schrödinger flow
We propose a theoretical method for constructing an initial two-component wave function
that can be transformed into a knotted velocity field with finite kinetic energy and enstrophy …
that can be transformed into a knotted velocity field with finite kinetic energy and enstrophy …
Visualization of quantized vortex reconnection enabled by laser ablation
Y Minowa, S Aoyagi, S Inui, T Nakagawa, G Asaka… - Science …, 2022 - science.org
Impurity injection into superfluid helium is a simple and appealing method with diverse
applications, including high-precision spectroscopy, quantum computing with surface …
applications, including high-precision spectroscopy, quantum computing with surface …
Helicity dynamics in viscous vortex links
The dynamics of two slender Hopf-linked vortex rings at vortex Reynolds numbers ($
Re\equiv\varGamma/\nu,\mathrm {circulation/viscosity} $) $2000 $, $3000 $ and $4000 $ is …
Re\equiv\varGamma/\nu,\mathrm {circulation/viscosity} $) $2000 $, $3000 $ and $4000 $ is …
Modeling and simulation of transitional Taylor-Green vortex flow with partially averaged Navier-Stokes equations
The partially averaged Navier-Stokes (PANS) equations model is used to predict the
transitional Taylor-Green vortex (TGV) flow at Reynolds number 3000. A form of the closure …
transitional Taylor-Green vortex (TGV) flow at Reynolds number 3000. A form of the closure …
Velocity gradient analysis of a head-on vortex ring collision
R Arun, T Colonius - Journal of Fluid Mechanics, 2024 - cambridge.org
We simulate the head-on collision between vortex rings with circulation Reynolds numbers
of 4000 using an adaptive, multiresolution solver based on the lattice Green's function. The …
of 4000 using an adaptive, multiresolution solver based on the lattice Green's function. The …
Polarized vortex reconnection
Polarized vortical structures (ie with axial flow, thus coiled vortex lines) are generic to
turbulent flows–hence the importance of their dynamics, interactions and cascade. Direct …
turbulent flows–hence the importance of their dynamics, interactions and cascade. Direct …
The influence of collision angle for viscous vortex reconnection
J Hu, SD Peterson - Physics of Fluids, 2021 - pubs.aip.org
We revisit the mechanism of viscous vortex reconnection by considering the collision of
vortex rings over a range of initial collision angles and Reynolds numbers. While the overall …
vortex rings over a range of initial collision angles and Reynolds numbers. While the overall …