Mechanisms for turbulent separation control using plasma actuator at Reynolds number of 1.6× 106

M Sato, K Asada, T Nonomura, H Aono, A Yakeno… - Physics of …, 2019 - pubs.aip.org
We have conducted large-eddy simulations of turbulent separated flows over a NACA0015
airfoil with control by a plasma actuator. The Reynolds number based on the chord length is …

Visualization of the Electrohydrodynamic and Thermal Effects of AC-DBD Plasma Actuators of Plate-and Wire-Exposed Electrodes

Y Kaneko, H Nishida, Y Tagawa - Actuators, 2022 - mdpi.com
The dielectric barrier discharge plasma actuator is a promising flow control device that uses
surface discharge. The actuator generates an electrohydrodynamic force and Joule heating …

Physical mechanism of tri-electrode plasma actuator with direct-current high voltage

H Nishida, K Nakai, T Matsuno - AIAA journal, 2017 - arc.aiaa.org
Tri-electrode plasma actuator (TED-PA), which has a third electrode with DC high voltage,
can generate stronger jet than that of conventional two-electrode plasma actuator. However …

Experimental study on the working characteristics of tri-electrode plasma actuator utilizing a combination of corona and barrier discharges

A Hatamoto, K Nakai, H Nishida - Actuators, 2022 - mdpi.com
A tri-electrode plasma actuator (TED-PA), which has an additional electrode with a DC
voltage, induces jets from two facing electrodes and achieves larger thrust and higher …

The role of nonlinear body force in production of electric wind in an asymmetric surface dielectric barrier discharge

H Mahdavi, F Sohbatzadeh - Physica Scripta, 2019 - iopscience.iop.org
The electrohydrodynamic body force produced in an asymmetric surface dielectric barrier
discharge is widely utilized in flow control applications. The mechanism of body force …

Deflected synthetic jet due to vortices induced by a tri-electrode plasma actuator

M Xue, Z Ni, C Gao, B Wu, B Zheng - AIAA Journal, 2022 - arc.aiaa.org
A tri-electrode dielectric barrier discharge (DBD) plasma actuator, which consists of a
traditional DBD plasma actuator and an additional direct current (dc) electrode, is proposed …

Investigation on performance characteristics of dielectric discharge plasma actuator using pulsed-dc waveform

S Nakai, H Nishida, Y Oshio - Journal of Fluid Science and …, 2018 - jstage.jst.go.jp
Abstract Dielectric Barrier Discharge Plasma Actuator (DBDPA) is one of active flow control
devices, which generates a wall-surface jet utilizing atmospheric discharge. However, the …

Effect of Interference Between Two Facing Plasma Actuators on Discharge and Flow Field

T Saito, H Nishida, Y Kaneko, Y Kakuya - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0863. vid Two plasma actuators
facing each other (facing PA) can generate streamwise vortices by placing parallelly to the …

[HTML][HTML] Ionic wind generation through coplanar discharge: A plasma actuator without exposed electrodes

S Sato, M Sakurai, N Ohnishi - AIP Advances, 2023 - pubs.aip.org
This study demonstrates the successful induction of a unidirectional ionic wind by adding an
embedded electrode in a coplanar discharge, thus breaking the generation of a symmetrical …

[HTML][HTML] Effects of flow measurement resolution on quasi-steady body force estimation in dielectric-barrier-discharge plasma actuator

K Ota, T Sekiya, H Nishida - AIP Advances, 2016 - pubs.aip.org
The quasi-steady body force field of Dielectric-Barrier-Discharge plasma actuator can be
estimated by analyzing the time-sequence velocity field data. In this study, the effects of the …