A review of turbulent skin-friction drag reduction by near-wall transverse forcing
The quest for reductions in fuel consumption and CO 2 emissions in transport has been a
powerful driving force for scientific research into methods that might underpin drag-reducing …
powerful driving force for scientific research into methods that might underpin drag-reducing …
Recent developments in DBD plasma flow control
JJ Wang, KS Choi, LH Feng, TN Jukes… - Progress in aerospace …, 2013 - Elsevier
Flow control using DBD (dielectric-barrier-discharge) plasma actuators is a relatively new,
but rapidly expanding area of research. There are a number of review papers available on …
but rapidly expanding area of research. There are a number of review papers available on …
Active and passive turbulent boundary-layer drag reduction
A 50 year journey through flow control strategies that seek to achieve viscous drag reduction
in turbulent boundary layers is presented. These are shown to focus on different …
in turbulent boundary layers is presented. These are shown to focus on different …
Mechanisms on transverse motions in turbulent wall flows
GE Karniadakis, KS Choi - Annual review of fluid mechanics, 2003 - annualreviews.org
▪ Abstract Drag reduction in wall-bounded flows can be achieved by transverse motions
imposed by passive means, eg, riblets, or by external forcing, such as wall oscillation or …
imposed by passive means, eg, riblets, or by external forcing, such as wall oscillation or …
Near-wall streak modification by spanwise oscillatory wall motion and drag-reduction mechanisms
E Touber, MA Leschziner - Journal of Fluid Mechanics, 2012 - cambridge.org
Direct numerical simulations for fully developed channel flow, subjected to oscillatory
spanwise wall motion, have been performed and analysed in an effort to illuminate the …
spanwise wall motion, have been performed and analysed in an effort to illuminate the …
Drag reduction by spanwise wall oscillation in wall-bounded turbulent flows
THE role of near-wall streamwise vortices has been found to be very important in a wall-
bounded turbulent ow. 1 The downward sweep motion induced by streamwise vortices very …
bounded turbulent ow. 1 The downward sweep motion induced by streamwise vortices very …
Turbulent drag reduction using pulsed-DC plasma actuation
In this paper, surface-mounted arrays of pulsed-DC dielectric barrier discharge plasma
actuators are used to achieve skin friction drag reduction in turbulent boundary layers. The …
actuators are used to achieve skin friction drag reduction in turbulent boundary layers. The …
Near-wall structure of turbulent boundary layer with spanwise-wall oscillation
KS Choi - Physics of Fluids, 2002 - pubs.aip.org
An investigation was carried out with an aim to better understand the mechanism of turbulent
drag reduction with spanwise-wall oscillation, by carefully analyzing the experimental data …
drag reduction with spanwise-wall oscillation, by carefully analyzing the experimental data …
Characteristics of drag-reduced turbulent boundary layers with pulsed-direct-current plasma actuation
Experiments were performed using an active flow control approach that has shown the
ability to significantly reduce the viscous drag in turbulent boundary layers. The purpose of …
ability to significantly reduce the viscous drag in turbulent boundary layers. The purpose of …
Drag reduction methods at solid-liquid interfaces
M Liu, L Ma - Friction, 2022 - Springer
Friction drag is a nonnegligible matter when relative motion happens between solid and
liquid phase, which brings many inconveniences in ship navigation, fluid transportation …
liquid phase, which brings many inconveniences in ship navigation, fluid transportation …