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Lagrangian single particle turbulent statistics through the Hilbert-Huang Transform
Yongxiang Huang, Luca Biferale, Enrico Calzavarini +2
The Hilbert-Huang transform is applied to analyze single particle Lagrangian velocity data from numerical simulations of hydrodynamic turbulence. The velocity trajectory is describ…
Extreme events in the dispersions of two neighboring particles under the influence of fluid turbulence
R. Scatamacchia, L. Biferale, F. Toschi
We present a numerical study of two-particle dispersion from point-sources in 3D incompressible Homogeneous and Isotropic turbulence, at Reynolds number Re \simeq 300. Tracer parti…
Breakup of small aggregates driven by turbulent hydrodynamic stress
Matthaus U. Babler, Luca Biferale, Alessandra S. Lanotte
Breakup of small solid aggregates in homogeneous and isotropic turbulence is studied theoretically and by using Direct Numerical Simulations at high Reynolds number, Re_λ \simeq 40…