Results 11 to 20 of about 2,681,765 (138)

Direct computations of a synthetic jet actuator [PDF]

open access: yes, 2012
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Synthetic jet actuators have previously been defined as having potential use in both internal and external aerodynamic applications.
Hayes-McCoy, Declan
core   +7 more sources

Active flow control systems architectures for civil transport aircraft [PDF]

open access: yes, 2010
Copyright @ 2010 American Institute of Aeronautics and AstronauticsThis paper considers the effect of choice of actuator technology and associated power systems architecture on the mass cost and power consumption of implementing active flow control ...
Crowther, W. J.; id_orcid   +9 more
core   +1 more source

Three-dimensional Flow Field Characteristics of a Normal Slot Plasma Synthetic Jet Actuator [PDF]

open access: yesJournal of Applied Fluid Mechanics
In this work, to comprehensively analyze the flow field characteristics of a normal slot plasma synthetic jet actuator, three-dimensional simulation models are established for both normal slot and normal orifice actuators. A detailed comparative analysis
L. Cheng, X. L. Sun, S. Ma
doaj   +1 more source

Extremum Seeking Adaptive Separation Control on a Wing with Plasma Synthetic Jet Actuator

open access: yesJournal of Fluid Science and Technology, 2012
Plasma synthetic jet actuator (PSJA) is a flow control device which has structure that insulator is tucked with electrode pair. It generates electrohydrodynamic (EHD) effect and induces a flow.
Kakuji OGAWARA   +3 more
doaj   +1 more source

A Calibrated Lumped Element Model for the Prediction of PSJ Actuator Efficiency Performance

open access: yesActuators, 2018
Among the various active flow control techniques, Plasma Synthetic Jet (PSJ) actuators, or Sparkjets, represent a very promising technology, especially because of their high velocities and short response times.
Matteo Chiatto   +2 more
doaj   +1 more source

Direct Measurement of Wall-Shear Stress of Plane Shear Layer with Plasma Synthetic Jet Actuator

open access: yesJournal of Fluid Science and Technology, 2009
One of the useful ways to measure the effect of the flow control devise is to use the wall-shear stress sensor to measure the wall-shear stress directly.
Takehiro HIGUCHI   +2 more
doaj   +1 more source

Optimization of burst frequency using extremum-seeking method for flow control by PSJA

open access: yesNihon Kikai Gakkai ronbunshu, 2015
In this paper, we study the optimization of the burst frequency applied to the plasma synthetic jet actuator (PSJA) using extremum-seeking method. Experiments were performed to detect the optimum frequency that maximizes the effect of reducing flow ...
Yudai TAGUCHI   +2 more
doaj   +1 more source

Heat transfer enhancement to a confined impinging synthetic air jet [PDF]

open access: yes, 2013
Heat transfer to confined, un-ducted and ducted impinging synthetic air jets is investigated experimentally. The influence of ducting on the cooling performance of synthetic air jets is of particular interest.
O'Donovan, Tadhg; id_orcid   +1 more
core   +1 more source

Variable structure model for flow-induced tonal noise control with plasma actuators

open access: yes, 2008
The objective of this work was to study the effect of plasma actuators in attenuating low-speed flow-induced cavitytones from a control point of view by employing techniques from classical control. A modification of the existingphysics-based linear model
Zhang, Xin   +7 more
core   +1 more source

Qualitative Analysis of a Synthetic Jet Actuator with Different Cavity Thickness and Export Area

open access: yes, 2016
Present study investigates performance of synthetic jet actuator qualitatively. Its effectiveness of thickness of cavity, export area, working frequency and input voltage will be mainly studied by improved smoke flow visualization.
Yeh, Yung-Lan;Tang, Jing-Min;Hsu, Shi-Shiung
core   +1 more source

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