Direct numerical simulation on strained turbulent flows and particles within

A. Gylfason, Chung-min Lee, P. Perlekar, F. Toschi

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Abstract

We present results from direct numerical simulations of strained turbulent flows. Our focus is twofold. One is to improve our understanding of the interactions of large and small scale dynamics in strained turbulent flow; another focus is to understand the influence of the straining on the motions of passive and inertial particles of varied Stokes numbers. We seek to emphasize the effects of the strain geometry and strain rate on the particles' behaviors. Eulerian flow field results and the Lagrangian particle velocity and acceleration statistics will be discussed. The Rogallo algorithm is applied for simulating the flow field in a non-cubical domain.
Original languageEnglish
Title of host publication13th European Turbulence Conference (ETC13)
Pages052003-1/10
DOIs
Publication statusPublished - 2011

Publication series

NameJournal of Physics: Conference Series
Volume318
ISSN (Print)1742-6588

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