European Turbulence Conference 14

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Turbulent Dispersion of Heavy Droplets

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The longstanding issue of turbulent dispersion of heavy droplets is revisited using a novel experimental technique. Within a cloud of phosphorescent droplets, thin cylindrical volumes are tagged and recorded in a high-speed fashion as they are advected by the flow. The widening of these volumes provides experimental evidence of dispersion which is faster than that of fluid parcels. We explore the effect of inertia in the dispersion of heavy droplets by experimenting with several droplet diameters.

Author(s):

Humberto Bocanegra Evans    
Applied Physics, Eindhoven University of Technology
Netherlands

Nico Dam    
Mechanical Engineering, Eindhoven University of Technology
Netherlands

Willem van de Water    
Applied Physics, Eindhoven University of Technology
Netherlands

 

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