Results 51 to 60 of about 1,430,347 (204)

Monitoring actuator failures for a large transprot aircraft - the nominal case [PDF]

open access: yes, 2009
We consider the problem of designing residual generators with least dynamical orders to solve actuator fault detection and isolation problems for a generic large transport aircraft.
Varga, Andreas
core  

Experimental Investigation of Separation Control on a NACA0024 Airfoil using Stationary and Non-Stationary AC-Dielectric Barrier Discharge Plasma Actuator

open access: yesJournal of Applied Fluid Mechanics, 2016
An experimental study of stationary and non-stationary dielectric barrier discharge (DBD) plasma actuator is presented to control the flow around a NACA0024 airfoil.
H. Parishani
doaj  

Patch-type Self-sensing Actuator Using PZT and EFPI for Vibration Control

open access: yes, 2004
For vibration control applications, a collocated seneor and actuator is generally desired. In addition, a self-sensing actuator is attractive from the viewpoint of instrumentation minimization.
Lee, In   +3 more
core   +1 more source

Factors Influencing Reverse Thrust Induced by SDBD Plasma Actuators

open access: yes气体物理
The actuation characteristics of conventional two-electrode and novel three-electrode surface dielectric barrier discharge (SDBD) plasma actuators were tested.
Guangyin ZHAO   +3 more
doaj   +1 more source

Trailing Edge Noise Reduction by Passive and Active Flow Controls [PDF]

open access: yes, 2014
This paper presents the results on the use of porous metal foams (passive control) and dielectric barrier surface plasma actuations (active control) for the reduction of vortex shedding tonal noises from the nonflat plate type trailing edge serration in ...
Kim, JH   +7 more
core   +1 more source

Plasma based jet actuators for flow control

open access: yes, 2012
A set of plasma based jet actuators were designed for flow control applications. The characteristics of these actuators and their flow control applications were studied experimentally in a low speed wind tunnel.A dielectric barrier discharge (DBD) based ...
Luo, Xinfu
core   +1 more source

Plasma Actuator Enhancement of Film Cooling Performance Under Coolant Crossflow Conditions

open access: yesShanghai Jiaotong Daxue xuebao
Using numerical simulation methods, this paper investigates the influence of a plasma aerodynamic actuator on the flow characteristics of film cooling under coolant crossflow conditions based on the established plasma aerodynamic actuator model. The flow
ZHANG Hualei, ZHAO Zichen, LUO Yanchun, LÜ Xueyan
doaj   +1 more source

The Effect of Plasma Actuator Placement on Drag Coefficient Reduction of Ahmed Body as an Aerodynamic Model

open access: yesInternational Journal of Technology, 2016
In recent developments in the area of thermofluid technologies, active flow control has emerged as an interesting topic of research. One of the latest methods, which will be discussed in this paper, is the application of a plasma actuator.
James Julian   +4 more
doaj   +1 more source

A direct numerical simulation of dielectric barrier discharge (DBD) plasma actuators for turbulent skin-friction control [PDF]

open access: yes
Turbulent skin-friction control is the subject of much research and the use of transverse (spanwise) oscillating motions offers the means of obtaining a significant reduction in skin-friction.
Elam, Dana
core  

Numerical Simulation of Supersonic Shear Layer with Plasma Actuator [PDF]

open access: yes, 2015
The plasma actuator can make difference in changing the vortex characteristics in supersonic shear layer, leading to mixing enhancement and noise reduction in the supersonic shear layer.
Lin, Ke, Yan, Hong
core   +1 more source

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