Anomalous distribution functions in sheared suspensions

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

We investigate velocity probability distribution functions (PDF) of sheared hard-sphere suspensions. As observed in our Stokes flow simulations and explained by our single-particle theory, these PDFs can show pronounced deviations from a Maxwell-Boltzmann distribution. The PDFs are symmetric around zero velocity and show a Gaussian core and exponential tails over more than six orders of magnitude of probability. Following the excellent agreement of our theory and simulation data, we demonstrate that the distribution functions scale with the shear rate, the particle volume concentration, as well as the fluid viscosity.
5 pages, 4 figures, to appear in Europhysics Letters

Keywords

Soft Condensed Matter, Statistical Mechanics

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/165506

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.4356
 http://arxiv.org/abs/0707.4356
 EPL 83, 30001 (2008)
 doi:10.1209/0295-5075/83/30001

Collections

arXiv