On the existence and formation of multi-scale particle streaks in turbulent channel flows

Y Jie, Z Cui, C Xu, L Zhao - Journal of Fluid Mechanics, 2022 - cambridge.org
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 …

CP3d: A comprehensive Euler-Lagrange solver for direct numerical simulation of particle-laden flows

Z Gong, Z Wu, C An, B Zhang, X Fu - Computer Physics Communications, 2023 - Elsevier
We present a comprehensive Euler-Lagrange solver, CP3d, for the direct numerical
simulation of particle-laden flows. The solver can handle one-way, two-way, interface …

Role of the hierarchy of coherent structures in the transport of heavy small particles in turbulent channel flow

Y Motoori, CK Wong, S Goto - Journal of Fluid Mechanics, 2022 - cambridge.org
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 …

The modulation of coherent structures by the near-wall motions of particles

Y Feng, H Liu, X Zheng - Journal of Fluid Mechanics, 2024 - cambridge.org
Particle–wall interaction generates strong particle near-wall motion, including collision
bounce and impact splashing. To distinguish the effect of particles and particle near-wall …

Dynamics and scaling of particle streaks in high-Reynolds-number turbulent boundary layers

T Berk, F Coletti - Journal of Fluid Mechanics, 2023 - cambridge.org
Inertial particles in wall-bounded turbulence are known to form streaks, but experimental
evidence and predictive understanding of this phenomenon is lacking, especially in regimes …

Numerical investigation of unsteady effects in oscillatory sheet flows

A Mathieu, Z Cheng, J Chauchat… - Journal of Fluid …, 2022 - cambridge.org
In this paper, two-phase flow simulations of oscillatory sheet flow experimental
configurations involving medium and fine sand using a turbulence-resolving two-fluid model …

Investigating the influence of particle distribution on force and torque statistics using hierarchical machine learning

B Siddani, S Balachandar, J Zhou… - AIChE …, 2024 - Wiley Online Library
An accurate representation of hydrodynamic force and torque experienced by every particle
in a distribution can be obtained from particle resolved (PR) simulations. These unique …

Multiscale clustering of heavy and light small particles in turbulent channel flow at high Reynolds numbers

Y Motoori, S Goto - International Journal of Heat and Fluid Flow, 2023 - Elsevier
To understand the fundamental mechanism of the clustering of heavy and light small
particles in high-Reynolds-number wall turbulence, we conduct direct numerical simulations …

Simulation of turbulent flow over roughness strips

J Neuhauser, K Schäfer, D Gatti… - Journal of Fluid …, 2022 - cambridge.org
Heterogeneous roughness in the form of streamwise aligned strips is known to generate
large scale secondary motions under turbulent flow conditions that can induce the intriguing …

The origin of planar lamination in fine‐grained sediment deposited by subaqueous sediment gravity flows

ON Al‐Mufti, RWC Arnott - The Depositional Record, 2024 - Wiley Online Library
Planar lamination is a ubiquitous component of modern and ancient fine‐grained sediments
deposited by subaqueous sediment gravity flows. These sediments commonly exhibit …