Particle-laden turbulence: progress and perspectives
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 …
laden turbulence in the last decade, partly due to the tremendous advances of measurement …
A critical analysis of turbulence modulation in particulate flow systems: a review of the experimental studies
In multiphase particulate systems, the turbulence of the continuous phase (gas or liquid) is
modulated due to interactions between the continuous phase and the suspended particles …
modulated due to interactions between the continuous phase and the suspended particles …
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 …
crucial role in particle transport. However, the influences of electrostatic forces on particle …
Modulation of turbulence intensity by heavy finite-size particles in upward channel flow
It has been recognized that, generally, large particles enhance the turbulence intensity,
while small particles attenuate the turbulence intensity. However, there has been no …
while small particles attenuate the turbulence intensity. However, there has been no …
Interface-resolved simulations of small inertial particles in turbulent channel flow
We present a direct comparison between interface-resolved and one-way-coupled point-
particle direct numerical simulations (DNS) of gravity-free turbulent channel flow laden with …
particle direct numerical simulations (DNS) of gravity-free turbulent channel flow laden with …
Direct numerical simulation of particle-laden flow in an open channel at
W Gao, R Samtaney, DH Richter - Journal of Fluid Mechanics, 2023 - cambridge.org
We perform two-way coupled direct numerical simulation of particle-laden flow in an open
channel at a friction Reynolds number (). The spatial structures are investigated with …
channel at a friction Reynolds number (). The spatial structures are investigated with …
Particle–fluid–wall interaction of inertial spherical particles in a turbulent boundary layer
We study the dynamics of dilute, slightly negatively buoyant, millimetre-size spherical
particles fully suspended in a smooth-wall open channel flow. The Reynolds number is …
particles fully suspended in a smooth-wall open channel flow. The Reynolds number is …
Near-wall turbulence modulation by small inertial particles
We use interface-resolved simulations to study near-wall turbulence modulation by small
inertial particles, much denser than the fluid, in dilute/semi-dilute conditions. We considered …
inertial particles, much denser than the fluid, in dilute/semi-dilute conditions. We considered …
Transport of inertial particles in high-Reynolds-number turbulent boundary layers
We investigate the transport of size-selected particles suspended in turbulent boundary
layers at friction Reynolds numbers up to. These are imaged simultaneously with the flow …
layers at friction Reynolds numbers up to. These are imaged simultaneously with the flow …
Mechanisms governing the settling velocities and spatial distributions of inertial particles in wall-bounded turbulence
We use theory and direct numerical simulations (DNSs) coupled with point particles to
explore the average vertical velocities and spatial distributions of inertial particles settling in …
explore the average vertical velocities and spatial distributions of inertial particles settling in …