Superhydrophobic drag reduction in turbulent flows: A critical review

H Park, CH Choi, CJ Kim - Experiments in Fluids, 2021 - Springer
Superhydrophobic (SHPo) surfaces have been investigated vigorously since around 2000
due in large part to their unique potential for hydrodynamic frictional drag reduction without …

Drag reduction of turbulent boundary layer over sawtooth riblet surface with superhydrophobic coat

J Hu, Z Yao - Physics of Fluids, 2023 - pubs.aip.org
The application of drag reduction tech holds great significance to energy saving. To achieve
better drag reduction, we investigated the flow characteristics of the turbulent boundary layer …

Euler–Lagrange study of bubble drag reduction in turbulent channel flow and boundary layer flow

X Zhang, J Wang, D Wan - Physics of Fluids, 2020 - pubs.aip.org
The excellent drag reduction effect of the bubble drag reduction technique has been proved
through many experiments since it was proposed. In this paper, the authors investigate the …

Streamwise and spanwise slip over a superhydrophobic surface

WA Rowin, S Ghaemi - Journal of fluid mechanics, 2019 - cambridge.org
The near-wall turbulent flow over a superhydrophobic surface (SHS) with random texture
was studied using three-dimensional Lagrangian particle tracking velocimetry (3D-PTV) …

Effect of a surface tension gradient on the slip flow along a superhydrophobic air-water interface

D Song, B Song, H Hu, X Du, P Du, CH Choi… - Physical Review …, 2018 - APS
Superhydrophobic surfaces have been shown to produce significant drag reduction in both
laminar and turbulent flows by introducing an apparent slip velocity along an air-water …

Laminar–turbulent transition in channel flow with superhydrophobic surfaces modelled as a partial slip wall

F Picella, JC Robinet, S Cherubini - Journal of Fluid Mechanics, 2019 - cambridge.org
Superhydrophobic surfaces are capable of trapping gas pockets within the micro-
roughnesses on their surfaces when submerged in a liquid, with the overall effect of …

Turbulent drag reduction in Taylor-Couette flows using different super-hydrophobic surface configurations

MS Naim, MF Baig - Physics of Fluids, 2019 - pubs.aip.org
Turbulent drag reduction (DR) in an incompressible Taylor-Couette flow configuration using
different patterns of “idealized” superhydrophobic surfaces (SHS) on rotating inner-wall is …

[HTML][HTML] Polymer-dominant drag reduction in turbulent channel flow over a superhydrophobic surface

L Zhang, RI Garcia-Gonzalez, CR Crick, HCH Ng… - Physics of …, 2023 - pubs.aip.org
In this study, we focused on the integration of a flexible polymer (polyacrylamide) and a
(randomly patterned) superhydrophobic surface in a large-scale turbulent channel flow rig to …

Plastron morphology and drag of a superhydrophobic surface in turbulent regime

D Reholon, S Ghaemi - Physical Review Fluids, 2018 - APS
The relationship between the state of the plastron, slip velocity, and drag of a
superhydrophobic surface in contact with a turbulent boundary layer was investigated. The …

Effect of Reynolds number on turbulent channel flow over a superhydrophobic surface

W Abu Rowin, S Ghaemi - Physics of Fluids, 2020 - pubs.aip.org
The slip boundary and the near-wall statistics of a fully developed turbulent channel flow
over a superhydrophobic surface (SHS) was investigated in a low Reynolds number (Re) …