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 …

Relative dispersion in two-dimensional turbulence

A Babiano, C Basdevant, P Le Roy… - Journal of Fluid …, 1990 - cambridge.org
In this paper we study the statistical laws of relative dispersion in two-dimensional
turbulence by deriving an exact equation governing its evolution in time, then evaluating the …

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 …

Single-particle dispersion, Lagrangian structure function and Lagrangian energy spectrum in two-dimensional incompressible turbulence

A Babiano, C Basdevant, PL Roy, R Sadourny - 1987 - elischolar.library.yale.edu
The single-particle dispersion, Lagrangian structure functions and Lagrangian energy
spectra characteristic of two-dimensional incompressible turbulent flows are investigated …

[HTML][HTML] Characteristics of backward and forward two-particle relative dispersion in turbulence at different Reynolds numbers

D Buaria, BL Sawford, PK Yeung - Physics of Fluids, 2015 - pubs.aip.org
A new algorithm based on post-processing of saved trajectories has been developed and
applied to obtain well-sampled backward and forward relative dispersion statistics in …

Relative dispersion in fully developed turbulence: the Richardson's law and intermittency corrections

G Boffetta, IM Sokolov - Physical review letters, 2002 - APS
Relative dispersion in fully developed turbulence is investigated by means of direct
numerical simulations. Lagrangian statistics is found to be compatible with Richardson …

Multiparticle dispersion in fully developed turbulence

L Biferale, G Boffetta, A Celani, BJ Devenish… - Physics of …, 2005 - pubs.aip.org
The statistical geometry of dispersing Lagrangian clusters of four particles (tetrahedra) is
studied by means of high-resolution direct numerical simulations of three-dimensional …

Comparison of backwards and forwards relative dispersion in turbulence

BL Sawford, PK Yeung, MS Borgas - Physics of Fluids, 2005 - pubs.aip.org
We use Lagrangian stochastic models and direct numerical simulation for stationary
isotropic turbulence to calculate backwards relative dispersion statistics, that is, the statistics …

Parameterization of dispersion in two-dimensional turbulence

C Pasquero, A Provenzale, A Babiano - Journal of Fluid Mechanics, 2001 - cambridge.org
We investigate the performance of standard stochastic models of single-particle dispersion
in two-dimensional turbulence. Owing to the presence of coherent vortices, particle …

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 …