Aerodynamic technologies to improve aircraft performance

A Abbas, J De Vicente, E Valero - Aerospace science and technology, 2013 - Elsevier
An Air Transport System has become an indispensable part of Europeʼs economic
infrastructure. The Commercial Aeronautics Sector is well aware that it has to find an …

[HTML][HTML] Synthetic jet actuators: Overview and applications

M Ja'fari, FJ Shojae, AJ Jaworski - International Journal of Thermofluids, 2023 - Elsevier
Abstract A Synthetic Jet Actuator (SJA) is a fluidic device that generates a quasi-steady jet of
fluid by the cyclic suction and blowing of fluid into and out of a cavity across a slot or an …

No-moving-part hybrid-synthetic jet actuator

V Tesař, CH Hung, WB Zimmerman - Sensors and Actuators A: Physical, 2006 - Elsevier
In contrast to usual synthetic jets, the “hybrid-synthetic jets” of non-zero time-mean nozzle
mass flow rate are increasingly often considered for control of flow separation and/or …

Pressure improvement on a supercritical high-lift wing using simple and modulated pulse jet vortex generator

S Abdolahipour, M Mani… - Flow, Turbulence and …, 2022 - Springer
In this paper, an experimental study, aimed at delaying flow separation on a high-lift device
using a pulsed blowing excitation method, is reported. The main objective of this …

Annular synthetic jet used for im**ing flow mass-transfer

Z Trávnı́ček, V Tesař - International journal of heat and mass transfer, 2003 - Elsevier
An annular synthetic jet was investigated experimentally, both with and without an opposing
im**ement wall. The experiments involved smoke visualization and mass transfer …

Effects of low and high frequency actuation on aerodynamic performance of a supercritical airfoil

S Abdolahipour - Frontiers in Mechanical Engineering, 2023 - frontiersin.org
The main objective of this study is to investigate the effects of low and high frequency
actuation in improving the aerodynamic performance of the supercritical airfoil with the …

Steady and transient response of a laminar separation bubble to controlled disturbances

S Yarusevych, M Kotsonis - Journal of Fluid Mechanics, 2017 - cambridge.org
The steady and transient response of a laminar separation bubble to flow disturbances is
examined experimentally. Wind tunnel experiments are performed on a NACA 0012 aerofoil …

Experimental investigation of flow control on a high-lift wing using modulated pulse jet vortex generator

S Abdolahipour, M Mani… - Journal of Aerospace …, 2022 - ascelibrary.org
In this paper, the potential of a novel active flow control strategy by means of a modulated
pulse jet vortex generator to enhance high-lift performance is demonstrated on a two …

Multifactorial effects of operating conditions of dielectric-barrier-discharge plasma actuator on laminar-separated-flow control

M Sato, H Aono, A Yakeno, T Nonomura, K Fujii… - AIAA journal, 2015 - arc.aiaa.org
A substantial number of large-eddy simulations are conducted on separated flow controlled
by a dielectric barrier discharge plasma actuator at a Reynolds number of 63,000. In the …

Effect of varying frequency of a synthetic jet on flow separation over an airfoil

M Kim, EE Essel, PE Sullivan - Physics of Fluids, 2022 - pubs.aip.org
An experimental investigation on the effects of the synthetic jet actuator (SJA) was
conducted on a National Advisory Committee for Aeronautics 0025 airfoil in a low-speed …