Large-scale structures of wall-bounded turbulence in single-and two-phase flows: advancing understanding of the atmospheric surface layer during sandstorms

H Liu, X Zheng - Flow, 2021 - cambridge.org
In recent years, observations of the atmospheric surface layer have greatly promoted
research on high-Reynolds-number wall-bounded turbulence, especially observations of …

Direct numerical simulation of turbulent open channel flows at moderately high Reynolds numbers

J Yao, X Chen, F Hussain - Journal of Fluid Mechanics, 2022 - cambridge.org
Well-resolved direct numerical simulations of turbulent open channel flows (OCFs) are
performed for friction Reynolds numbers up to. In summary, the free surface in OCFs plays …

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 …

Amplitude modulation in particle-laden atmospheric surface layers

H Liu, X He, X Zheng - Journal of Fluid Mechanics, 2023 - cambridge.org
Particle effects on the amplitude modulation are investigated in this study based on
observational data with various mass loading acquired from long-term measurements of …

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 …

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 …

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 …

Contributions of different scales of turbulent motions to the mean wall-shear stress in open channel flows at low-to-moderate Reynolds numbers

Y Duan, Q Zhong, G Wang, P Zhang… - Journal of Fluid …, 2021 - cambridge.org
Smooth-walled open channel flow datasets, covering both the direct numerical simulation
and experimental measurements with a friction Reynolds number wavelength ranges are …

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 …

Inertial particle velocity and distribution in vertical turbulent channel flow: a numerical and experimental comparison

G Wang, KO Fong, F Coletti, J Capecelatro… - International Journal of …, 2019 - Elsevier
This study is concerned with the statistics of vertical turbulent channel flow laden with inertial
particles for two different volume concentrations (Φ V= 3× 10− 6 and Φ V= 5× 10− 5) at a …