Compliant coatings for drag reduction

M Gad-el-Hak - Progress in Aerospace Sciences, 2002 - Elsevier
Compliant coating research is one of those areas which experienced its fair share of
triumphs and debacles. For over forty years, the subject has fascinated, frustrated and …

[書籍][B] Flow control

M Gad-el-Hak - 2000 - ui.adsabs.harvard.edu
The ability to actively or passively manipulate a flow field to bring about a desired change is
of immense technological and economical importance. This volume provides a thorough, up …

Compliant coatings: a decade of progress

M Gad-el-Hak - 1996 - asmedigitalcollection.asme.org
This brief article reviews the important developments in the field of compliant coatings that
took place in the past ten years. During this period progress in theoretical and computational …

A framework for studying the effect of compliant surfaces on wall turbulence

M Luhar, AS Sharma, BJ McKeon - Journal of Fluid Mechanics, 2015 - cambridge.org
This paper extends the resolvent formulation proposed by McKeon & Sharma (J. Fluid
Mech., vol. 658, 2010, pp. 336–382) to consider turbulence–compliant wall interactions …

Investigation of the stable interaction of a passive compliant surface with a turbulent boundary layer

T Lee, M Fisher, WH Schwarz - Journal of Fluid Mechanics, 1993 - cambridge.org
The near-wall flow structure of a zero-pressure-gradient flat-plate turbulent boundary layer
with a single-layer viscoelastic compliant surface was visualized using the hydrogen-bubble …

Deformation of a compliant wall in a turbulent channel flow

C Zhang, J Wang, W Blake, J Katz - Journal of Fluid Mechanics, 2017 - cambridge.org
Interaction of a compliant wall with a turbulent channel flow is investigated experimentally by
simultaneously measuring the time-resolved, three-dimensional (3D) flow field and the two …

Active and passive in-plane wall fluctuations in turbulent channel flows

TI Józsa, E Balaras, M Kashtalyan… - Journal of Fluid …, 2019 - cambridge.org
Compliant walls offer the tantalising possibility of passive flow control. This paper examines
the mechanics of compliant surfaces driven by wall shear stresses, with solely in-plane …

Investigations of skin friction drag mitigation over viscoelastic surfaces in supersonic flows

S Chakravarty, V Narayanaswamy - Physical Review Fluids, 2024 - APS
Drag mitigation by passive surfaces with engineered material properties has gained
significant attention in low-speed flows. The present work investigates the skin friction drag …

Passive drag reduction technologies

T Kouser, H Zulfiqar, M Misbah… - ChemBioEng …, 2023 - Wiley Online Library
The developments and involved factors of mature passive drag reduction technologies, ie,
compliant coating, superhydrophobic surfaces, and epoxy coating, are reviewed. Alterations …

On the interaction of a compliant wall with a turbulent boundary layer

J Wang, SS Koley, J Katz - Journal of Fluid Mechanics, 2020 - cambridge.org
This study examines the interactions of a compliant wall with a turbulent boundary layer as
the deformation scale increases from submicron to several wall units (δν). The friction …