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 …

Buoyancy effects on large-scale motions in convective atmospheric boundary layers: implications for modulation of near-wall processes

ST Salesky, W Anderson - Journal of Fluid Mechanics, 2018 - cambridge.org
A number of recent studies have demonstrated the existence of so-called large-and very-
large-scale motions (LSM, VLSM) that occur in the logarithmic region of inertia-dominated …

[HTML][HTML] 高雷诺数壁湍流的研究进展及挑战

郑晓静, 王国华 - 力学进展, 2020 - lxjz.cstam.org.cn
高雷诺数壁湍流(high Reynolds number wall-bounded turbulence, HRNWT)
是目前湍流科学研究的一个热点也是一个难点, 对其现象, 规律及机制的认知不足 …

Numerical study of turbulent channel flow over surfaces with variable spanwise heterogeneities: topographically-driven secondary flows affect outer-layer similarity of …

J Yang, W Anderson - Flow, Turbulence and Combustion, 2018 - Springer
Wall-bounded turbulent flows over surfaces with spanwise heterogeneous surface
roughness–that is, spanwise-adjacent patches of relatively high and low roughness–exhibit …

The variation of large-scale structure inclination angles in high Reynolds number atmospheric surface layers

HY Liu, TL Bo, YR Liang - Physics of Fluids, 2017 - pubs.aip.org
Field observations were performed to explore the variation of large-scale structure
inclination angles in the high Reynolds number atmospheric surface layer (ASL). The high …

Surface thermal heterogeneities and the atmospheric boundary layer: the relevance of dispersive fluxes

F Margairaz, ER Pardyjak, M Calaf - Boundary-Layer Meteorology, 2020 - Springer
While the increasing availability of computational power is enabling finer grid resolutions in
numerical-weather-prediction models, representing land–atmosphere exchange processes …

[HTML][HTML] Wall-modeled lattice Boltzmann large-eddy simulation of neutral atmospheric boundary layers

H Asmuth, CF Janßen, H Olivares-Espinosa… - Physics of fluids, 2021 - pubs.aip.org
The lattice Boltzmann method (LBM) sees a growing popularity in the field of atmospheric
sciences and wind energy, largely due to its excellent computational performance. Still, LBM …

Large-scale coherent structures of suspended dust concentration in the neutral atmospheric surface layer: A large-eddy simulation study

Y Zhang, R Hu, X Zheng - Physics of Fluids, 2018 - pubs.aip.org
Dust particles can remain suspended in the atmospheric boundary layer, motions of which
are primarily determined by turbulent diffusion and gravitational settling. Little is known …

The effect of turbulent motions on particle spatial distribution in high-Reynolds-number particle-laden flows

X He, H Liu - Journal of Fluid Mechanics, 2023 - cambridge.org
The spatial relationship between turbulent and particle concentration structures is
investigated based on the turbulent velocity and particle concentration data obtained …

Aerodynamic heating in wall-modeled large-eddy simulation of high-speed flows

XIA Yang, J Urzay, S Bose, P Moin - AIAA journal, 2018 - arc.aiaa.org
Aerospace vehicles flying at supersonic and hypersonic speeds are subject to increased
wall heating rates caused by viscous friction with the gas environment. This extra heat is …