Model Of The Smoothed Motion Of Interacting Particles In LES Of Turbulent
Dispersed Two-phase Channel Flow
Author(s)
M. Gorokhovski & A. Chtab
Abstract
Model of the smoothed motion of interacting
particles in LES of turbulent dispersed twophase
channel flow
M. Gorokhovski & A. Chtab
COMA UMR-6614 CNRS University of Rouen, France
Abstract
By analogy with kinetic approach, the gas-solid turbulent flow was considered as
an ensemble of interacting both stochastic liquid and solid particles, and then the
motion equation for the solid particle along a partially averaged trajectory has
been derived. Pushing further this analogy with kinetic approach, the statistical
temperature has been introduced for both the solid particle and for the stochastic
liquid particle with relaxation-type relation between these two "temperatures".
The smoothed particles dynamics was then computed along LES of turbulent
channel gas flow with "two-way" coupling of momentum. The calculated results
are compared with the experiment of Kulick et. al. (1994) and with the devoted
to this experiment LESIparticle computation of Yamomoto et. al. (2001), where
the inter-particle int
Keywords
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