Rotational intermittency and turbulence induced lift experienced by large particles in a turbulent flow
Fluid Dynamics
2015-05-20 v1
Abstract
The motion of a large, neutrally buoyant, particle, freely advected by a turbulent flow is determined experimentally. We demonstrate that both the translational and angular accelerations exhibit very wide probability distributions, a manifestation of intermittency. The orientation of the angular velocity with respect to the trajectory, as well as the translational acceleration conditioned on the spinning velocity provide evidence of a lift force acting on the particle.
Keywords
Cite
@article{arxiv.1012.4381,
title = {Rotational intermittency and turbulence induced lift experienced by large particles in a turbulent flow},
author = {Robert Zimmermann and Yoann Gasteuil and Mickael Bourgoin and Romain Volk and Alain Pumir and Jean-Francois Pinton},
journal= {arXiv preprint arXiv:1012.4381},
year = {2015}
}
Comments
4 page, 4 figures