A review on gyrotactic swimmers in turbulent flows
Many marine plankton species are motile and perform daily vertical migrations, traveling
across water columns over distances of tens of meters. It is intriguing that these tiny and slow …
across water columns over distances of tens of meters. It is intriguing that these tiny and slow …
Full rotational dynamics of plastic microfibers in turbulence
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 …
rotational dynamics. We present experiments on elongated, large aspect ratio, and mildly …
Alignment of inertialess spheroidal particles in flow-structure-dominated regions of turbulent channel flow: shape effect
The alignment of elongated fibers and thin disks is known to be significantly influenced by
the presence of fluid coherent structures in near-wall turbulence (Cui et al. 2021). However …
the presence of fluid coherent structures in near-wall turbulence (Cui et al. 2021). However …
Interface-resolved direct numerical simulations of the interactions between spheroidal particles and upward vertical turbulent channel flows
The interactions between finite-size spheroidal particles and upward turbulent flows in a
vertical channel are numerically simulated with a direct-forcing fictitious domain method at …
vertical channel are numerically simulated with a direct-forcing fictitious domain method at …
Long non-axisymmetric fibres in turbulent channel flow
In this work, we investigate the dynamics of long non-axisymmetric fibres in turbulent
channel flow. The experimental facility is the TU Wien Turbulent Water Channel, consisting …
channel flow. The experimental facility is the TU Wien Turbulent Water Channel, consisting …
Orientation of inertialess spheroidal particles in turbulent channel flow with spanwise rotation
The orientation dynamics of inertialess prolate and oblate spheroidal particles in a directly
simulated spanwise-rotating turbulent channel flow has been investigated by means of an …
simulated spanwise-rotating turbulent channel flow has been investigated by means of an …
Alignment of slender fibers and thin disks induced by coherent structures of wall turbulence
The angular dynamics of small rigid fibers and disks in turbulent channel flow has been
investigated numerically, focusing on interactions between particles and near-wall coherent …
investigated numerically, focusing on interactions between particles and near-wall coherent …
Map** spheroid rotation modes in turbulent channel flow: effects of shear, turbulence and particle inertia
The rotational behaviour of non-spherical particles in turbulent channel flow is studied by
Lagrangian tracking of spheroidal point particles in a directly simulated flow. The focus is on …
Lagrangian tracking of spheroidal point particles in a directly simulated flow. The focus is on …
Lattice Boltzmann simulation of resolved oblate spheroids in wall turbulence
A Eshghinejadfard, L Zhao, D Thévenin - Journal of Fluid Mechanics, 2018 - cambridge.org
The present study focuses on the behaviour of fully resolved oblate spheroids in turbulent
channel flows using the lattice Boltzmann method (LBM). Mean and maximum drag …
channel flows using the lattice Boltzmann method (LBM). Mean and maximum drag …
Effect of fluid inertial torque on the rotational and orientational dynamics of tiny spheroidal particles in turbulent channel flow
Rotation and orientation of non-spherical particles in a fluid flow depend on the
hydrodynamic torque they experience. However, little is known about the effect of the fluid …
hydrodynamic torque they experience. However, little is known about the effect of the fluid …