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 …
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K Blackman, L Perret - Physics of Fluids, 2016 - pubs.aip.org
In the present work, a boundary layer develo** over a rough-wall consisting of staggered
cubes with a plan area packing density, λ p= 25%, is studied within a wind tunnel using …

Spatial modulations of kinetic energy in the roughness sublayer

J Basley, L Perret, R Mathis - Journal of Fluid Mechanics, 2018 - cambridge.org
High-Reynolds-number experiments are conducted in the roughness sublayer of a turbulent
boundary layer develo** over a cubical canopy. Stereoscopic particle image velocimetry …

Turbulent boundary layer flow over a three-dimensional sinusoidal surface

CI Chan, RC Chin - Journal of Fluid Mechanics, 2023 - cambridge.org
The sinusoidal roughness effect is investigated using a direct numerical simulation (DNS) of
a spatially develo** turbulent boundary layer (TBL) over three-dimensional sinusoidal …

[HTML][HTML] Effective use of the streamwise waviness in the control of turbulent separation

A Dróżdż, P Niegodajew, M Romańczyk… - … Thermal and Fluid …, 2021 - Elsevier
It is commonly known that for a sufficiently high Reynolds number, for flow over a rough
surface and other previously examined wall topologies, turbulent boundary layer separation …

The atmospheric boundary layer over urban-like terrain: influence of the plan density on roughness sublayer dynamics

L Perret, J Basley, R Mathis, T Piquet - Boundary-Layer Meteorology, 2019 - Springer
We investigate the effect of the packing density of cubical roughness elements on the
characteristics of both the roughness sublayer and the overlying turbulent boundary layer, in …