Abstract

Large-eddy simulation (LES) is under its rapid development. In comparison with the Reynolds-averaged Navier-Stokes modeling (RANS modeling) LES can give instantaneous flow and flame structures and in some cases may give more accurate statistical results than RANS modeling. The present author and his colleagues started to study the instantaneous flow structures of bubbly flows by LES in 2002. Subsequently, from 2005 up to now the studies on LES of gas-particle flows, the flow structure surrounding a single particle, and the flow and flame structure surrounding an evaporating and combusting droplet were carried out. In this paper, a review will be given for some recent studies by the present author and his colleagues on LES of dispersed two-phase flows, including the governing equations, sub-grid-scale models and numerical methods, main research results and their experimental validation.

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