Actuators for active flow control
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 …
Active flow control actuators modify a flow by providing an electronically controllable …
The powered resonance tube: From Hartmann's discovery to current active flow control applications
Hartmann discovered the resonance tube phenomenon in 1918. Although researchers have
conducted extensive studies on this topic during the intervening 90 years, no single …
conducted extensive studies on this topic during the intervening 90 years, no single …
Characterization of the microfluidic oscillator
FLOW control actuators are devices that are used to enact large-scale changes in a flowfield
with a relatively small input. Often these changes are focused on improving the performance …
with a relatively small input. Often these changes are focused on improving the performance …
[LIVRE][B] Fundamentals and applications of modern flow control
RD Joslin, DN Miller - 2009 - arc.aiaa.org
Flow control technologies have been used in the past century to control fluid flows. This text
presents the current state of the art in emerging modern flow control technologies and …
presents the current state of the art in emerging modern flow control technologies and …
Variable-frequency fluidic oscillator driven by a piezoelectric bender
JW Gregory, EP Gnanamanickam, JP Sullivan… - AIAA journal, 2009 - arc.aiaa.org
A new actuator for aerodynamic flow control applications is described and evaluated in this
paper: the piezo-fluidic oscillator. This actuator is a fluidic device based on wall attachment …
paper: the piezo-fluidic oscillator. This actuator is a fluidic device based on wall attachment …
Switching behavior of a plasma-fluidic actuator
J Gregory, J Ruotolo, A Byerley… - 45th AIAA Aerospace …, 2007 - arc.aiaa.org
This work presents the plasma-fluidic actuator as a new type of flow control actuator. The
device combines the best features of plasma actuators and fluidic oscillators to create an …
device combines the best features of plasma actuators and fluidic oscillators to create an …
Spectra and directivity of a Hartmann whistle
Experimental and theoretical studies of the spectral and directivity characteristics of a
Hartmann whistle are presented for pressure ratios in the range of 4.92–6.88. Cavity …
Hartmann whistle are presented for pressure ratios in the range of 4.92–6.88. Cavity …
Overview of onera actuators for active flow control
F Ternoy, J Dandois, F David, M Pruvost - Aerospace Lab, 2013 - hal.science
The purpose of this paper is to present an overview of existing actuators at Onera for active
flow control. These actuators are used for various applications in wind tunnel tests, from 2D …
flow control. These actuators are used for various applications in wind tunnel tests, from 2D …
Studies on conical and cylindrical resonators
Spectral features of conical and cylindrical Hartmann resonators are compared in this work
through a systematic parametric study. Experiments have been conducted by varying the …
through a systematic parametric study. Experiments have been conducted by varying the …
Role of non-circular jets in the performance of Hartmann whistles
Non-circular jets im**ing on open-closed type cylindrical cavity are investigated. Five
different orifice shapes, namely, circle, ellipse, rectangle, square, and triangle, are used to …
different orifice shapes, namely, circle, ellipse, rectangle, square, and triangle, are used to …