When very small particles are suspended in a fluid in motion, they tend to follow the flow.
How such tracer particles are mixed, transported, and dispersed by turbulent flow has been …

The dynamics of heavy particles suspended in turbulent flows is of fundamental importance
for a wide range of questions in astrophysics, atmospheric physics, oceanography, and …

The relative dispersion of pairs of inertial point particles in incompressible, homogeneous
and isotropic three-dimensional turbulence is studied by means of direct numerical …

We discuss fluctuation relations in simple cases of non-equilibrium Langevin dynamics. In
particular, we show that, close to non-equilibrium steady states with non-vanishing …

Caustics in the dynamics of heavy particles in turbulence accelerate particle collisions. The
rate J at which these singularities form depends sensitively on the Stokes number St, the …

We compute the distribution of relative velocities for a one-dimensional model of heavy
particles suspended in a turbulent flow, quantifying the caustic contribution to the moments …

Collisional growth of droplets, such as occurring in warm clouds, is known to be significantly
enhanced by turbulence. Whether particles collide depends on their flow history, in …

Caustic singularities of the spatial distribution of particles in turbulent aerosols enhance
collision rates and accelerate coagulation. Here we investigate how and where caustics …

Spatial and velocity statistics of heavy point-like particles in incompressible, homogeneous,
and isotropic three-dimensional turbulence is studied by means of direct numerical …

Turbulent motion increases very significantly the collision rate between particles in dilute
suspensions. In the case of heavy inertial particles, the collision rate enhancement results …