Superhydrophobic drag reduction in turbulent flows: A critical review
Superhydrophobic (SHPo) surfaces have been investigated vigorously since around 2000
due in large part to their unique potential for hydrodynamic frictional drag reduction without …
due in large part to their unique potential for hydrodynamic frictional drag reduction without …
Bioinspired surfaces for turbulent drag reduction
KB Golovin, JW Gose, M Perlin… - … Transactions of the …, 2016 - royalsocietypublishing.org
In this review, we discuss how superhydrophobic surfaces (SHSs) can provide friction drag
reduction in turbulent flow. Whereas biomimetic SHSs are known to reduce drag in laminar …
reduction in turbulent flow. Whereas biomimetic SHSs are known to reduce drag in laminar …
Flow over natural or engineered surfaces: an adjoint homogenization perspective
A Bottaro - Journal of Fluid Mechanics, 2019 - cambridge.org
Natural and engineered surfaces are never smooth, but irregular, rough at different scales,
compliant, possibly porous, liquid impregnated or superhydrophobic. The correct numerical …
compliant, possibly porous, liquid impregnated or superhydrophobic. The correct numerical …
High-resolution velocity measurement in the inner part of turbulent boundary layers over super-hydrophobic surfaces
Digital holographic microscopy is used for characterizing the profiles of mean velocity,
viscous and Reynolds shear stresses, as well as turbulence level in the inner part of …
viscous and Reynolds shear stresses, as well as turbulence level in the inner part of …
Reorganisation of turbulence by large and spanwise-varying riblets
We study the flow above non-optimal riblets, specifically large drag-increasing and two-
scale trapezoidal riblets. In order to reach large Reynolds numbers and large scale …
scale trapezoidal riblets. In order to reach large Reynolds numbers and large scale …
The common mechanism of turbulent skin-friction drag reduction with superhydrophobic longitudinal microgrooves and riblets
A Rastegari, R Akhavan - Journal of Fluid Mechanics, 2018 - cambridge.org
Turbulent skin-friction drag reduction with superhydrophobic (SH) longitudinal microgrooves
and riblets is investigated by direct numerical simulation (DNS), using lattice Boltzmann …
and riblets is investigated by direct numerical simulation (DNS), using lattice Boltzmann …
[HTML][HTML] On the scaling of the slip velocity in turbulent flows over superhydrophobic surfaces
Superhydrophobic surfaces can significantly reduce hydrodynamic skin drag by
accommodating large slip velocity near the surface due to entrapment of air bubbles within …
accommodating large slip velocity near the surface due to entrapment of air bubbles within …
Turbulent flows over superhydrophobic surfaces: flow-induced capillary waves, and robustness of air–water interfaces
Superhydrophobic surfaces can retain gas pockets within their microscale textures when
submerged in water. This property reduces direct contact between water and solid surfaces …
submerged in water. This property reduces direct contact between water and solid surfaces …
[HTML][HTML] Influence of textural statistics on drag reduction by scalable, randomly rough superhydrophobic surfaces in turbulent flow
We investigate the influence of statistical measures of surface roughness on the turbulent
drag reduction (DR) performance of four scalable, randomly rough superhydrophobic (SH) …
drag reduction (DR) performance of four scalable, randomly rough superhydrophobic (SH) …
Underwater superhydrophobicity: Stability, design and regulation, and applications
Bioinspired superhydrophobic surfaces have attracted great interest from fundamental
research to engineering applications. The stability, design, and regulation of …
research to engineering applications. The stability, design, and regulation of …