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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 …
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 …
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 …
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
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 …
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 …
with a single-layer viscoelastic compliant surface was visualized using the hydrogen-bubble …
Deformation of a compliant wall in a turbulent channel flow
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 …
simultaneously measuring the time-resolved, three-dimensional (3D) flow field and the two …
Active and passive in-plane wall fluctuations in turbulent channel flows
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 …
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 …
significant attention in low-speed flows. The present work investigates the skin friction drag …
Passive drag reduction technologies
The developments and involved factors of mature passive drag reduction technologies, ie,
compliant coating, superhydrophobic surfaces, and epoxy coating, are reviewed. Alterations …
compliant coating, superhydrophobic surfaces, and epoxy coating, are reviewed. Alterations …
On the interaction of a compliant wall with a turbulent boundary layer
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 …
the deformation scale increases from submicron to several wall units (δν). The friction …