European Turbulence Conference 14

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Effect of flow anisotropy on dispersion and distribution of particles

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We perform direct numerical simulations of strained turbulence laden with passive and inertial particles of varied inertia. We investigate the effect of large scale flow distortion due to straining, resulting in anisotropy ranging from the large scale down to the inertial range and the dissipative range, by studying particle acceleration statistics. A secondary objective is to understand the effects of weak straining on the distribution of particles in the fluid, by exploring the evolution of spatial distribution statistics and investigating particle dispersion from simple sources.


Armann Gylfason    
Reykjavik University

Chung-min Lee    
California State University, Long Beach
United States

Prasad Perlekar    
Eindhoven University of Technology

Federico Toschi    
Eindhoven University of Technology


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