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 …
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 …
On the existence and formation of multi-scale particle streaks in turbulent channel flows
On the existence and formation of multi-scale particle streaks in turbulent channel flows Page
1 J. Fluid Mech. (2022), vol. 935, A18, doi:10.1017/jfm.2022.8 On the existence and formation …
1 J. Fluid Mech. (2022), vol. 935, A18, doi:10.1017/jfm.2022.8 On the existence and formation …
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 transport in a turbulent pipe flow: direct numerical simulations, phenomenological modelling and physical mechanisms
In particle-laden turbulent wall flows, transport of particles towards solid walls is
phenomenologically thought to be governed by the wall-normal turbulence intensity …
phenomenologically thought to be governed by the wall-normal turbulence intensity …
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 …
A hybrid immersed boundary method for dense particle-laden flows
A novel smooth immersed boundary method (IBM) based on a direct-forcing formulation is
proposed to simulate incompressible dense particle-laden flows. This IBM relies on a …
proposed to simulate incompressible dense particle-laden flows. This IBM relies on a …
Role of the hierarchy of coherent structures in the transport of heavy small particles in turbulent channel flow
To investigate the transport of heavy small particles (inertial particles) in high-Reynolds-
number wall turbulence, we conduct direct numerical simulations of inertial particles in …
number wall turbulence, we conduct direct numerical simulations of inertial particles in …
Effects of the collision model in interface-resolved simulations of particle-laden turbulent channel flows
The effects of the particle collision model in a direct-forcing fictitious domain method on the
fluid and particle statistics of a fully developed turbulent channel flow laden with finite-size …
fluid and particle statistics of a fully developed turbulent channel flow laden with finite-size …