Transport properties of heavy particles in high Reynolds number turbulence

Details Transport properties of heavy particles in high Reynolds number turbulence Transport properties of heavy particles in high Reynolds number turbulence

2001-03-14

arxiv.org/abs/nlin/0103018v2

Nonlinear Sciences

Chaotic Dynamics

30 pages, 11 eps figures included. To appear in Physics of Fluids

Scientific paper

10.1063/1.1517296

The statistical properties of heavy particle trajectories in high Reynolds numbers turbulent flows are analyzed. Dimensional analysis assuming Kolmogorov scaling is compared with the result of numerical simulation using a synthetic turbulence advecting field. The non-Markovian nature of the fluid velocity statistics along the solid particle trajectories is put into evidence, and its relevance in the derivation of Lagrangian transport models is discussed.

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