When discussing research in physics and in science more generally, it is common to ascribe
equal importance to the three components of the scientific trinity: theoretical, experimental …

We investigate the settling speeds and root mean square (rms) velocities of inertial particles
in isotropic turbulence with gravity using experiments with water droplets in air turbulence …

Turbulence is ubiquitous in the insterstellar medium and plays a major role in several
processes such as the formation of dense structures and stars, the stability of molecular …

When cloud particles are small enough, they move with the turbulent air in the cloud. On the
other hand, as particles become larger their inertia affects their motions, and they move …

The Variable Density Turbulence Tunnel at the Max Planck Institute for Dynamics and Self-
Organization in Göttingen, Germany, produces very high turbulence levels at moderate flow …

We present a new design for a stirred tank that is forced by two parallel planar arrays of
randomly actuated jets. This arrangement creates turbulence at high Reynolds number with …

The use of random jet arrays, already employed in water tank facilities to generate zero-
mean-flow homogeneous turbulence, is extended to air as a working fluid. A novel facility is …

The properties of bubble-laden turbulent flows at different scales are investigated
experimentally, focusing on the flow kinetic energy, energy transfer and extreme events. The …

We compare experiments and direct numerical simulations to evaluate the accuracy of the
Stokes-drag model, which is used widely in studies of inertial particles in turbulence. We …

Particles suspended in turbulent flows are affected by the turbulence and at the same time
act back on the flow. The resulting coupling can give rise to rich variability in their dynamics …