Liutex (vortex) core definition and automatic identification for turbulence vortex structures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Hydrodynamics"
DOI: 10.1007/s42241-019-0066-5
Abstract: As a milestone research in vortex identification (VI), the physical quantity of Liutex, including its forms of scalar, vector and tensor, was systematically explored and rigorously obtained as the third-generation (3G) of the vortex definition… read more here.
Keywords: turbulence vortex; vortex core; identification; vortex structures ... See more keywords
Helical vortex structures and depolarization in fiber with concave-gradient profile
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.167124
Abstract: Abstract In the present paper the vortex structures of optical pulses, propagating in concave-gradient fiber is investigated. Their dynamic is govern by a system of amplitude equations for x and y components of the electrical… read more here.
Keywords: helical vortex; depolarization fiber; concave gradient; vortex structures ... See more keywords
Wave and vortex structures in transitional mixing layers: a numerical investigation
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2025.10548
Abstract: Abstract Laminar–turbulent transition in shear flow is complicated and follows many possible routes. In this study, we seek to examine a scenario based on three-dimensional (3-D) waves (Jiang et al., 2020, J. Fluid Mech., vol.… read more here.
Keywords: vortex structures; high shear; wave vortex; transitional mixing ... See more keywords
Numerical study of a sonic jet in a supersonic crossflow over a flat plate
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/5.0026214
Abstract: A sonic circular injector discharging into a Mach 1.6 freestream over a flat plate with a jet to crossflow momentum flux ratio of 1.73 is investigated numerically using a three-dimensional Reynolds-averaged Navier–Stokes equation. Menter’s shear… read more here.
Keywords: flat plate; crossflow; jet; vortex structures ... See more keywords
Noise based on vortex structures in 2D and 3D
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Mathematical Physics"
DOI: 10.1063/5.0128120
Abstract: A new noise, based on vortex structures in 2D (point vortices) and 3D (vortex filaments), is introduced. It is defined as the scaling limit of a jump process, which explores vortex structures, and it can… read more here.
Keywords: based vortex; noise based; vortex structures;
Evolution of unsteady vortex structures in the tip region of an axial compressor rotor
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0141818
Abstract: The evolution of unsteady vortex structures in the tip region of an axial compressor rotor is investigated based on delayed detached eddy simulation. The vortex structures are identified by the [Formula: see text] method, and… read more here.
Keywords: evolution unsteady; structures tip; vortex structures; tip region ... See more keywords
Investigating three-dimensional vortex evolution in centrifugal pump under rotating stall conditions using tomographic particle image velocimetry
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0211425
Abstract: A rotating stall in centrifugal pumps commonly occurs under off-design operations, which is a detrimental phenomenon leading to flow instabilities, pressure fluctuations, and reduced performance. A time-resolved non-intrusive three-dimensional (3D) flow visualization method is developed… read more here.
Keywords: vortex structures; tomographic particle; three dimensional; rotating stall ... See more keywords
Identification of vortex structures in a cohort of 204 intracranial aneurysms
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Royal Society Interface"
DOI: 10.1098/rsif.2017.0021
Abstract: An intracranial aneurysm (IA) is a cerebrovascular pathology that can lead to death or disability if ruptured. Abnormal wall shear stress (WSS) has been associated with IA growth and rupture, but little is known about… read more here.
Keywords: identification vortex; rupture; vortex; structures cohort ... See more keywords
Direct imaging of distorted vortex structures and magnetic vortex annihilation processes in ferromagnetic/antiferromagnetic disk structures
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.014405
Abstract: Topological objects, such as magnetic vortices in soft-magnetic thin films, have attracted continued attention over the past 20 years for their unique magnetic reversal behavior and compelling potential applications. In exchange-coupled ferromagnetic/antiferromagnetic microdisks, high-resolution magnetic… read more here.
Keywords: structures magnetic; distorted vortex; direct imaging; ferromagnetic antiferromagnetic ... See more keywords
Circulation statistics and the mutually excluding behavior of turbulent vortex structures.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.l023101
Abstract: The small-scale statistical properties of velocity circulation in classical homogeneous and isotropic turbulent flows are assessed through a modeling framework that brings together the multiplicative cascade and the structural descriptions of turbulence. We find that… read more here.
Keywords: statistics mutually; excluding behavior; mutually excluding; circulation statistics ... See more keywords
Dynamical Rearrangements of 3-D Vortex Structures in Moving Domain Walls in Continuous and Antidot Patterned Permalloy Films
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2021.3083704
Abstract: The motion of a domain wall in a magnetic film with an antidot array leads to the formation of a vortex magnetization reversal zone moving along the sample. A description of the magnetization dynamics in… read more here.
Keywords: magnetization; rearrangements vortex; dynamical rearrangements; vortex structures ... See more keywords