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 …

Particle trapping in three-dimensional fully developed turbulence

L Biferale, G Boffetta, A Celani, A Lanotte, F Toschi - Physics of Fluids, 2005 - pubs.aip.org
The statistical properties of fluid particles transported by a three-dimensional fully developed
turbulent flow are investigated by means of high resolution direct numerical simulations …

Experimental investigation of Lagrangian structure functions in turbulence

J Berg, S Ott, J Mann, B Lüthi - Physical Review E—Statistical, Nonlinear, and …, 2009 - APS
Lagrangian properties obtained from a particle tracking velocimetry experiment in a
turbulent flow at intermediate Reynolds number are presented. Accurate sampling of particle …

Statistics of two-particle dispersion in two-dimensional turbulence

G Boffetta, IM Sokolov - Physics of fluids, 2002 - pubs.aip.org
We investigate Lagrangian relative dispersion in direct numerical simulation of two-
dimensional inverse cascade turbulence. The analysis is performed by using both standard …

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 …

Multifractal statistics of Lagrangian velocity and acceleration in turbulence

L Biferale, G Boffetta, A Celani, BJ Devenish, A Lanotte… - Physical review …, 2004 - APS
The statistical properties of velocity and acceleration fields along the trajectories of fluid
particles transported by a fully developed turbulent flow are investigated by means of high …

Pair dispersion in synthetic fully developed turbulence

G Boffetta, A Celani, A Crisanti, A Vulpiani - Physical Review E, 1999 - APS
The Lagrangian statistics of relative dispersion in fully developed turbulence is numerically
investigated. A scaling range spanning many decades is achieved by generating a two …

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 …

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 …

Lagrangian velocity statistics in turbulent flows: effects of dissipation

L Chevillard, SG Roux, E Lévêque, N Mordant… - Physical review …, 2003 - APS
We use the multifractal formalism to describe the effects of dissipation on Lagrangian
velocity statistics in turbulent flows. We analyze high Reynolds number experiments and …