Understanding and predicting turbulent flow phenomena remain a challenge for both theory
and applications. The nonlinear and nonlocal character of small-scale turbulence can be …

Anisotropic particles are common in many industrial and natural turbulent flows. When these
particles are small and neutrally buoyant, they follow Lagrangian trajectories while …

The effects of particle inertia, particle shape, and fluid shear on particle rotation are
examined using direct numerical simulation of turbulent channel flow. Particles at the …

The motion, settling, and dispersion of microplastics in the ocean are determined by their
rotational dynamics. We present experiments on elongated, large aspect ratio, and mildly …

We consider the rotation of neutrally buoyant axisymmetric particles suspended in isotropic
turbulence. Using laboratory experiments as well as numerical and analytical calculations …

Despite the widely acknowledged significance of turbulence-driven clustering, a clear
topological definition of particle cluster in turbulent dispersed multiphase flows has been …

Using a numerical model, we analyse the effects of shape on both the orientation and
transport of anisotropic particles in wavy flows. The particles are idealized as prolate and …

We study experimentally the behaviour of negatively buoyant disks and fibres in a turbulent
boundary layer. The regime is relevant to the transport of natural sediment or plastic …

We present simultaneous experimental measurements of the dynamics of anisotropic
particles transported by a turbulent flow and the velocity gradient tensor of the flow …

Flames interacting with turbulence are continuously generated and annihilated by stretching
and folding processes over a range of length-scales and time-scales. In this paper, we …