Bubbly and buoyant particle–laden turbulent flows

V Mathai, D Lohse, C Sun - Annual Review of Condensed Matter …, 2020 - annualreviews.org
Fluid turbulence is commonly associated with stronger drag, greater heat transfer, and more
efficient mixing than in laminar flows. In many natural and industrial settings, turbulent liquid …

Characterization of self-assembled 2D patterns with Voronoi Entropy

E Bormashenko, M Frenkel, A Vilk, I Legchenkova… - Entropy, 2018 - mdpi.com
The Voronoi entropy is a mathematical tool for quantitative characterization of the
orderliness of points distributed on a surface. The tool is useful to study various surface self …

Experimental study of inertial particles clustering and settling in homogeneous turbulence

AJ Petersen, L Baker, F Coletti - Journal of Fluid Mechanics, 2019 - cambridge.org
We study experimentally the spatial distribution, settling and interaction of sub-Kolmogorov
inertial particles with homogeneous turbulence. Utilizing a zero-mean-flow air turbulence …

The effect of Reynolds number on inertial particle dynamics in isotropic turbulence. Part 1. Simulations without gravitational effects

PJ Ireland, AD Bragg, LR Collins - Journal of Fluid Mechanics, 2016 - cambridge.org
In this study, we analyse the statistics of both individual inertial particles and inertial particle
pairs in direct numerical simulations of homogeneous isotropic turbulence in the absence of …

How electrostatic forces affect particle behaviour in turbulent channel flows

H Zhang, Y Cui, X Zheng - Journal of Fluid Mechanics, 2023 - cambridge.org
In dispersed two-phase flows, particle electrification is a prevalent phenomenon that plays a
crucial role in particle transport. However, the influences of electrostatic forces on particle …

Preferential concentration of inertial sub-Kolmogorov particles: the roles of mass loading of particles, Stokes numbers, and Reynolds numbers

S Sumbekova, A Cartellier, A Aliseda, M Bourgoin - Physical Review Fluids, 2017 - APS
Turbulent flows laden with inertial particles present multiple open questions and are a
subject of great interest in current research. Due to their higher density compared to the …

Coherent clusters of inertial particles in homogeneous turbulence

L Baker, A Frankel, A Mani, F Coletti - Journal of Fluid Mechanics, 2017 - cambridge.org
Despite the widely acknowledged significance of turbulence-driven clustering, a clear
topological definition of particle cluster in turbulent dispersed multiphase flows has been …

Effects of preferential concentration on heat transfer in particle-based solar receivers

H Pouransari, A Mani - Journal of Solar Energy …, 2017 - asmedigitalcollection.asme.org
The working principle of particle-based solar receivers is to utilize the absorptivity of a
dispersed particle phase in an otherwise optically transparent carrier fluid. In comparison to …

Preferential concentration of heavy particles in turbulence

M Obligado, T Teitelbaum, A Cartellier… - Journal of …, 2014 - Taylor & Francis
Particle-laden flows are of relevant interest in many industrial and natural systems. When the
carrier flow is turbulent, a striking feature is the phenomenon called preferential …

Collision-induced breakage of agglomerates in homogenous isotropic turbulence laden with adhesive particles

S Chen, S Li - Journal of Fluid Mechanics, 2020 - cambridge.org
We carry out direct numerical simulation combined with adhesive discrete element
calculations to investigate collision-induced breakage of agglomerates in homogeneous …