Self-similar clustering of inertial particles and zero-acceleration points in fully developed two-dimensional turbulence

S Goto, JC Vassilicos - Physics of Fluids, 2006 - pubs.aip.org
Clustering of inertial particles in fully developed two-dimensional inverse cascading
turbulence occurs for all particle relaxation times ranging from an order of magnitude under …

Turbulent clustering of stagnation points and inertial particles

L Chen, S Goto, JC Vassilicos - Journal of Fluid Mechanics, 2006 - cambridge.org
In high-Reynolds-number two-dimensional turbulence with a− 5/3 power-law energy
spectrum, the clustering of inertial particles reflects the clustering of acceleration stagnation …

Self-similar clustering of inertial particles in homogeneous turbulence

H Yoshimoto, S Goto - Journal of Fluid Mechanics, 2007 - cambridge.org
It is shown by direct numerical simulation that the preferential concentration of small heavy
particles in homogeneous isotropic developed turbulence has a self-similar multi-scale …

A unified sweep-stick mechanism to explain particle clustering in two-and three-dimensional homogeneous, isotropic turbulence

SW Coleman, JC Vassilicos - Physics of Fluids, 2009 - pubs.aip.org
Our work focuses on the sweep-stick mechanism of particle clustering in turbulent flows
introduced by Chen et al.[L. Chen, S. Goto, and JC Vassilicos,“Turbulent clustering of …

Generalized sweep-stick mechanism of inertial-particle clustering in turbulence

S Oka, S Goto - Physical Review Fluids, 2021 - APS
Inertial particles, ie, small heavy particles, can inhomogeneously distribute and form clusters
even in statistically homogeneous turbulence. When the Reynolds number of turbulence is …

Scale-dependent statistics of inertial particle distribution in high Reynolds number turbulence

K Matsuda, K Schneider, K Yoshimatsu - Physical Review Fluids, 2021 - APS
Multiscale statistical analyses of inertial particle distributions are presented to investigate the
statistical signature of clustering and void regions in particle-laden incompressible isotropic …

Large scale inhomogeneity of inertial particles in turbulent flow

G Boffetta, F De Lillo, A Gamba - arXiv preprint nlin/0310029, 2003 - arxiv.org
Preferential concentration of inertial particles in turbulent flow is studied by high resolution
direct numerical simulations of two-dimensional turbulence. The formation of network-like …

Elementary topology of two-dimensional turbulence from a Lagrangian viewpoint and single-particle dispersion

D Elhmaïdi, A Provenzale, A Babiano - Journal of Fluid Mechanics, 1993 - cambridge.org
We discuss a series of numerical experiments on the dispersion of neutrally buoyant
particles in two-dimensional turbulent flows. The topology of two-dimensional turbulence is …

Coherent clusters of inertial particles in homogeneous turbulence

L Baker, A Frankel, A Mani, F Coletti - Journal of Fluid Mechanics, 2017 - cambridge.org
Despite the widely acknowledged significance of turbulence-driven clustering, a clear
topological definition of particle cluster in turbulent dispersed multiphase flows has been …

Divergence and convergence of inertial particles in high-Reynolds-number turbulence

T Oujia, K Matsuda, K Schneider - Journal of Fluid Mechanics, 2020 - cambridge.org
Inertial particle data from three-dimensional direct numerical simulations of particle-laden
homogeneous isotropic turbulence at high Reynolds number are analysed using Voronoi …