An Eulerian approach for large eddy simulation of particle transport in turbulent flows

Abstract

The objective of this paper is to advance an Eulerian continuum approach for modeling the transport of inertial particles in the framework of large eddy simulation. This approach is based on a kinetic equation for the filtered probability density function of particle velocity in turbulent flow. Some models developed for the subgrid-scale turbulent stresses of the particulate phase are presented. The effect of filter width on the averaged subgrid particle kinetic energy is explored. It is revealed that, in the limit of zero filter width, the subgrid kinetic stress and energy of inertial particles can have nonzero values.

Keywords:

• particle-laden turbulent flows
• large eddy simulation
• Eulerian continuum approach

Acknowledgements

This work was supported by Centre National de la Recherche Scientifique de France (CNRS) and the Russian Foundation for Basic Research.