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 …

Measuring segregation of inertial particles in turbulence by a full Lagrangian approach

RHA IJzermans, MW Reeks, E Meneguz… - Physical Review E …, 2009 - APS
Preferential concentration of inertial particles in turbulence is studied numerically by
evaluating the Lagrangian compressibility of the particle velocity field using the “full …

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 …

Heavy particle concentration in turbulence at dissipative and inertial scales

J Bec, L Biferale, M Cencini, A Lanotte, S Musacchio… - Physical review …, 2007 - APS
Spatial distributions of heavy particles suspended in an incompressible isotropic and
homogeneous turbulent flow are investigated by means of high resolution direct numerical …

Quantifying turbulence-induced segregation of inertial particles

E Calzavarini, M Cencini, D Lohse, F Toschi… - Physical review …, 2008 - APS
Particles with different density from the advecting turbulent fluids cluster due to the different
response of light and heavy particles to turbulent fluctuations. This study focuses on the …

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 …

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 …

Turbulent pair dispersion of inertial particles

J Bec, L Biferale, AS Lanotte, A Scagliarini… - Journal of Fluid …, 2010 - cambridge.org
The relative dispersion of pairs of inertial point particles in incompressible, homogeneous
and isotropic three-dimensional turbulence is studied by means of direct numerical …

Dynamics and statistics of heavy particles in turbulent flows

M Cencini, J Bec, L Biferale, G Boffetta… - Journal of …, 2006 - Taylor & Francis
We present the results of direct numerical simulations (DNS) of turbulent flows seeded with
millions of passive inertial particles. The maximum Reynolds number is Re λ∼ 200. We …

Geometry of Lagrangian dispersion in turbulence

A Pumir, BI Shraiman, M Chertkov - Physical review letters, 2000 - APS
Turbulent flows disperse Lagrangian particles resulting in the growth of pairwise separations
and, for sets of three or more particles, in a nontrivial dynamics of their configuration. The …