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LAGRANGIAN CONDITIONAL STATISTICS OF INERTIAL PARTICLE FLOWS

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We present conditional Lagrangian statistics of a turbulent channel flow with inertial particles released within the flow. Statistics are obtained via a Direct Numerical Simulation (DNS) of the fluid at moderate Reynolds number Re_tau = 150 with a Lagrangian particle tracking. Different particle diameters are considered. An analysis of the effect of a filter is also carried out in order to find out insights for sub-grid Large Eddy Simulations modelling.

Author(s):

sergio chibbaro    
University Pierre et Marie Curie
France

Cristian Marchioli    

Maria Vittoria Salvetti    

Alfredo Soldati