Particle-laden turbulence: progress and perspectives

L Brandt, F Coletti - Annual Review of Fluid Mechanics, 2022 - annualreviews.org
This review is motivated by the fast progress in our understanding of the physics of particle-
laden turbulence in the last decade, partly due to the tremendous advances of measurement …

Multiphase flow behaviour and hazard prediction of pyroclastic density currents

G Lube, ECP Breard, T Esposti-Ongaro… - Nature Reviews Earth & …, 2020 - nature.com
Pyroclastic density currents (PDCs) are dangerous multiphase flows originating from
volcanic eruptions. PDCs cause more than a third of volcanic fatalities globally and …

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 …

[HTML][HTML] On the prediction of settling velocity for plastic particles of different shapes

S Francalanci, E Paris, L Solari - Environmental Pollution, 2021 - Elsevier
Transport processes of plastic particles in freshwater and marine environments are one of
the relevant advances of knowledge in predicting the fate of plastic in the environment. Here …

On fluid–particle dynamics in fully developed cluster-induced turbulence

J Capecelatro, O Desjardins, RO Fox - Journal of Fluid Mechanics, 2015 - cambridge.org
At sufficient mass loading and in the presence of a mean body force (eg gravity), an initially
random distribution of particles may organize into dense clusters as a result of momentum …

The clustering instability in rapid granular and gas-solid flows

WD Fullmer, CM Hrenya - Annual Review of Fluid Mechanics, 2017 - annualreviews.org
Flows of solid particles are known to exhibit a clustering instability—dynamic microstructures
characterized by a dense region of highly concentrated particles surrounded by a dilute …

Microstructure-informed probability-driven point-particle model for hydrodynamic forces and torques in particle-laden flows

A Seyed-Ahmadi, A Wachs - Journal of Fluid Mechanics, 2020 - cambridge.org
We present a novel deterministic model that is capable of predicting particle-to-particle force
and torque fluctuations in a fixed bed of randomly distributed monodisperse spheres. First …

Pairwise-interaction extended point-particle model for particle-laden flows

G Akiki, WC Moore, S Balachandar - Journal of Computational Physics, 2017 - Elsevier
In this work we consider the pairwise interaction extended point-particle (PIEP) model for
Euler–Lagrange simulations of particle-laden flows. By accounting for the precise location of …

A new model for the terminal settling velocity of microplastics

Z Yu, G Yang, W Zhang - Marine Pollution Bulletin, 2022 - Elsevier
Microplastic (MP) settling process is important for the transport of microplastic particles
(MPs,< 5 mm) in water bodies. However, for the control parameter of the drag coefficient (C …

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 …