Anisotropic particles in turbulence
Anisotropic particles are common in many industrial and natural turbulent flows. When these
particles are small and neutrally buoyant, they follow Lagrangian trajectories while …
particles are small and neutrally buoyant, they follow Lagrangian trajectories while …
Clustering and preferential concentration of finite-size particles in forced homogeneous-isotropic turbulence
M Uhlmann, A Chouippe - Journal of fluid mechanics, 2017 - cambridge.org
We have performed interface-resolved direct numerical simulations of forced homogeneous-
isotropic turbulence in a dilute suspension of spherical particles in the Reynolds number …
isotropic turbulence in a dilute suspension of spherical particles in the Reynolds number …
Microbubbles and microparticles are not faithful tracers of turbulent acceleration
We report on the Lagrangian statistics of acceleration of small (sub-Kolmogorov) bubbles
and tracer particles with Stokes number St≪ 1 in turbulent flow. At a decreasing Reynolds …
and tracer particles with Stokes number St≪ 1 in turbulent flow. At a decreasing Reynolds …
Rotation and alignment of rods in two-dimensional chaotic flow
We study the dynamics of rod shaped particles in two-dimensional electromagnetically
driven fluid flows. Two separate types of flows that exhibit chaotic mixing are compared: one …
driven fluid flows. Two separate types of flows that exhibit chaotic mixing are compared: one …
Clustering of finite-size particles in turbulence
We investigate experimentally the spatial distributions of heavy and neutrally buoyant
particles of finite size in a fully turbulent flow. Because their Stokes number (ie, the ratio of …
particles of finite size in a fully turbulent flow. Because their Stokes number (ie, the ratio of …
Dynamics of inertial particles in a turbulent von Kármán flow
We study the dynamics of neutrally buoyant particles with diameters varying in the range [1,
45] in Kolmogorov scale units (η) and Reynolds numbers based on Taylor scale (Reλ) …
45] in Kolmogorov scale units (η) and Reynolds numbers based on Taylor scale (Reλ) …
Divergence–curl correction for pressure field reconstruction from acceleration in turbulent flows
Y Lin, H Xu - Experiments in Fluids, 2023 - Springer
The pressure, or more precisely, the pressure gradient, plays an important role in turbulent
dynamics as it is the dominant forcing term acting on fluid elements. It is, however, not easy …
dynamics as it is the dominant forcing term acting on fluid elements. It is, however, not easy …
Rotational Intermittency and Turbulence Induced Lift Experienced<? format?> by Large Particles in a Turbulent Flow
The motion of a large, neutrally buoyant, particle freely advected by a turbulent flow is
determined experimentally. We demonstrate that both the translational and angular …
determined experimentally. We demonstrate that both the translational and angular …
DNS of vertical plane channel flow with finite-size particles: Voronoi analysis, acceleration statistics and particle-conditioned averaging
M Garcia-Villalba, AG Kidanemariam… - International Journal of …, 2012 - Elsevier
We have performed a direct numerical simulation of dilute turbulent particulate flow in a
vertical plane channel, fully resolving the phase interfaces. The flow conditions are the same …
vertical plane channel, fully resolving the phase interfaces. The flow conditions are the same …
Lagrangian diffusion properties of a free shear turbulent jet
A Lagrangian experimental study of an axisymmetric turbulent water jet is performed to
investigate the highly anisotropic and inhomogeneous flow field. Measurements are …
investigate the highly anisotropic and inhomogeneous flow field. Measurements are …