A review of turbulent skin-friction drag reduction by near-wall transverse forcing

P Ricco, M Skote, MA Leschziner - Progress in Aerospace Sciences, 2021 - Elsevier
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 …

Actuators for active flow control

LN Cattafesta III, M Sheplak - Annual Review of Fluid Mechanics, 2011 - annualreviews.org
Actuators are transducers that convert an electrical signal to a desired physical quantity.
Active flow control actuators modify a flow by providing an electronically controllable …

A review of heat transfer characteristics of switchable insulation technologies for thermally adaptive building envelopes

H Cui, M Overend - Energy and Buildings, 2019 - Elsevier
Switchable thermal insulation, in the form of an opaque panel that alternates between
thermally conductive and insulated states, can be an effective means of regulating the …

Control of flow separation around an airfoil at low Reynolds numbers using periodic surface morphing

G Jones, M Santer, M Debiasi, G Papadakis - Journal of Fluids and …, 2018 - Elsevier
The paper investigates experimentally the low Reynolds number flow (R ec= 50, 000)
around a model that approximates a NACA 4415 airfoil and the control of separation using …

Control of laminar separation bubble on NACA 0009 airfoil using electroactive polymers

EP DeMauro, H Dell'Orso, S Zaremski, CM Leong… - AIAA journal, 2015 - arc.aiaa.org
Control of a laminar separation bubble on a two-dimensional NACA 0009 was investigated
experimentally in an open-return wind tunnel using particle image velocimetry …

Active flow control systems architectures for civil transport aircraft

M Jabbal, SC Liddle, WJ Crowther - Journal of Aircraft, 2010 - arc.aiaa.org
WHILE there has been some progress toward identifying suitable fluidic actuator concepts
for application on commercial transport aircraft, there is still considerable uncertainty as to …

Manipulation of a turbulent boundary layer using active surface deformations

B Gibeau, S Ghaemi - Journal of Fluid Mechanics, 2023 - cambridge.org
We experimentally evaluate whether active wall-normal surface deformations are suitable
for the targeted control of very-large-scale motions (VLSMs) in a turbulent boundary layer at …

Numerical investigation into vortex generators on heavily cambered wings

KJ Forster, TR White - AIAA journal, 2014 - arc.aiaa.org
A computational model has been implemented that is capable of accurately predicting the
flow patterns around a vortex generator. The aim in development was the resolution of small …

Laminar boundary layer forcing with active surface deformations

B Gibeau, S Ghaemi - Physical Review Fluids, 2022 - APS
We experimentally evaluate the use of active wall-normal surface deformations as a method
of actuation for the control of wall-bounded flows. Circular surface deformations are …

Turbulent friction drag reduction using electroactive polymer and electromagnetically driven surfaces

K Gouder, M Potter, JF Morrison - Experiments in fluids, 2013 - Springer
This work reports aerodynamic testing of two spanwise-oscillating surfaces fabricated out of
electroactive polymers (EAPs) in the dielectric form of actuation, and of an electromagnetic …