Intermittency in the relative separations of tracers and of heavy particles in turbulent flows

L Biferale, AS Lanotte, R Scatamacchia… - Journal of fluid …, 2014 - cambridge.org
Results from direct numerical simulations (DNS) of particle relative dispersion in three-
dimensional homogeneous and isotropic turbulence at Reynolds number. The right tail of …

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 …

Intermittency in the velocity distribution of heavy particles in turbulence

J Bec, L Biferale, M Cencini, AS Lanotte… - Journal of Fluid …, 2010 - cambridge.org
The statistics of velocity differences between pairs of heavy inertial point particles
suspended in an incompressible turbulent flow is studied and found to be extremely …

Lagrangian statistics in fully developed turbulence

L Biferale, G Boffetta, A Celani, A Lanotte… - Journal of …, 2006 - Taylor & Francis
The statistics of Lagrangian particles transported by a three-dimensional fully developed
turbulent flow is investigated by means of high-resolution direct numerical simulations. The …

Spatial and velocity statistics of inertial particles in turbulent flows

J Bec, L Biferale, M Cencini, AS Lanotte… - Journal of Physics …, 2011 - iopscience.iop.org
Spatial and velocity statistics of heavy point-like particles in incompressible, homogeneous,
and isotropic three-dimensional turbulence is studied by means of direct numerical …

Universal intermittent properties of particle trajectories in highly turbulent flows

A Arnéodo, R Benzi, J Berg, L Biferale… - Physical Review Letters, 2008 - APS
We present a collection of eight data sets from state-of-the-art experiments and numerical
simulations on turbulent velocity statistics along particle trajectories obtained in different …

Universality and intermittency of pair dispersion in turbulence

S Tan, R Ni - Physical Review Letters, 2022 - APS
Turbulence can disperse a concentrated parcel of pollutants at a rate over nine orders of
magnitude higher than its purely diffusive counterpart. One intriguing signature of turbulent …

Statistics of the relative velocity of particles in turbulent flows: Monodisperse particles

A Bhatnagar, K Gustavsson, D Mitra - Physical Review E, 2018 - APS
We use direct numerical simulations to calculate the joint probability density function of the
relative distance R and relative radial velocity component VR for a pair of heavy inertial …

Lagrangian statistics of particle pairs in homogeneous isotropic turbulence

L Biferale, G Boffetta, A Celani, BJ Devenish… - Physics of …, 2005 - pubs.aip.org
We present a detailed investigation of the particle pair separation process in homogeneous
isotropic turbulence. We use data from direct numerical simulations up to R λ∼ 280 …

[HTML][HTML] Forward and backward in time dispersion of fluid and inertial particles in isotropic turbulence

AD Bragg, PJ Ireland, LR Collins - Physics of Fluids, 2016 - pubs.aip.org
In this paper, we investigate both theoretically and numerically the Forward-In-Time (FIT)
and Backward-In-Time (BIT) dispersion of fluid and inertial particle-pairs in isotropic …