PERFORMANCE ANALYSIS OF A DIELECTRIC BARRIER

Dielectric Barrier Discharge (DBD) is a form of gas discharge by inserting ., /' dielectric layers into the discharge regimes) (t is a non-thermal discharge under, I' atmospheric pressure and can generate low-temperature plasma in the air) ([he plasma actuator which can generate the surface discharge

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Modeling of dielectric barrier discharge and resulting

Glow discharge at atmospheric pressure using a dielectric barrier discharge can induce fluid flow, and operate as an actuator in flow control. In the present work, a modeling framework is presented to study the evolution and interaction of such athermal non-equilibrium plasma discharges in conjunction with low Mach number fluid dynamics.

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CHARACTERIZATION OF DIELECTRIC BARRIER DISCHARGE PLASMA

The application of dielectric barrier discharge (DBD) plasma actuators for separation control is an innovative technology which can significantly enhance aircraft performance by eliminating excess weight and reducing the mechanical complexity of current flow control systems.

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PLASMA AND DIELECTRIC BARRIER DISCHARGE ACTUATOR

cylindrical dielectric barrier discharge (DBD) plasma under five different pressures is generated in an evacuated glass tube. The microwave perturbation method is used to measure permittivity and loss factor of the plasma and then the plasma frequency,

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High-lift airfoil trailing edge separation control using a

(15 m/s) is explored using a single dielectric barrier dis-charge (DBD) plasma actuator near the flap shoulder. Results show that the plasma discharge can increase or reduce the size of the time-averaged separated region over the flap depending on the frequency of actuation. High-frequencyactuation,referredtohereasquasi-steadyforcing,

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Performance Characterization and Quantification of

the performance of dielectric barrier discharge plasma actuators, thus con-tributing to an improved documentation and prediction of discharge-based flow control in aerodynamic applications. 1. 1 Introduction 1.2 Organization of the Thesis Chapter 2 provides a brief introduction into plasma

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Plasma actuators on aircraft, page 1 abovetopsecret

The term plasma actuator has now been a part of the fluid dynamics flow-control vernacular for more than a decade. A particular type of plasma actuator that has gained wide use is based on a singledielectric barrier discharge (SDBD) mechanism that has desirable features for use in air at atmospheric pressures.

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CiteSeerX — Innovative DBD plasma actuators for airflow

CiteSeerX Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda) In this paper innovative dielectric barrier discharge (DBD) plasma actuators (a classic DBD actuator with saw-like HV electrode, a single-DBD actuator with floating interelectrode, and a multi-DBD actuator with floating interelectrode) are presented. In them a saw-like discharge electrodes and a floating

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Electrical and mechanical characteristics of surface AC

The first paper dealing with surface dielectric barrier discharge in air at atmospheric pressure is the one of Masuda and Washizu ().Roth used it for the first time for airflow applications in Roth and Sherman ().Then, a few research groups in the world started to study DBD plasma actuators and their ability to manipulate airflow (Corke and He 2004; Enloe et al. 2004a, b; Pons et al. 2004, 2005).

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COMPARATIVE ANALYSIS ON SINGLE DIELECTRIC BARRIER

Single-dielectric-barrier-discharge plasma actuators (herein denoted simply as plasma actuators) have become a popular type of actuator for many active flow control applications. Thus far, plasma actuators have most notably been applied in the areas of transition control (Grundmann Tropea (2007); Hanson et al. (2010)), separation control

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Experimental Investigation of Thermal Properties of

Abstract Surface Dielectric Barrier Discharge (SDBD) plasma actuators have recently been used in many aerodynamic and thermal applications. SDBD plasma actuator produces induced flow velocity with very high temperatures on the actuator surface. This study focuses on thermal properties of single SDBD plasma actuator

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Dielectric Barrier Discharge Research Papers Academia.edu

A dielectric barrier discharge reactor has been designed with pulsed power technology to produce plasma inside the diesel exhaust. To characterise the system under varied conditions, a range of applied voltages from 11 kVPP to 21kVPP at repetition rates of 2.5, 5,

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Dielectric barrier discharge Wiki Everipedia

Interest in plasma actuators as active flow control devices is growing rapidly due to their lack of mechanical parts, light weight and high response frequency. The characteristics of a dielectric barrier discharge (DBD) plasma actuator when exposed to an unsteady flow generated by a

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Numerical Modeling of Dielectric Barrier Discharge Plasma

May 11, 2015A computational method has been developed to couple the electrohydrodynamic (EHD) body forces induced by dielectric barrier discharge (DBD) actuation with unsteady Reynolds-Averaged NavierStokes (URANS) model or large eddy simulation (LES) for incompressible flows.

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Journal of Fluids Engineering-transactions of The Asme 2016Hua Shan Yutai LeeBoundary value problem Large eddy simulation Electric potential Electronic circuit A

Airflow influence on the discharge performance of

In the present work, the effect of the airflow on the performance of dielectric barrier discharge plasma-actuators is investigated experimentally. In order to analyze the actuator's performance, luminosity measurements have been carried out simultaneously with the recording of

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A dielectric barrier discharge ion source increases thrust

Abe, Y. Takizawa, S. Sato, and N. Kimura, " Experimental study for momentum transfer in a dielectric barrier discharge plasma actuator," AIAA J. 46(9), 2248

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CHARACTERISATION OF NS-DBD PLASMA ACTUATORS FOR

insulating, dielectric barrier. The use of dielectric barrier discharge plasma actuators as a means of flow control has been studied since 1998. There are two types of DBD plasma actuators AC and NS. The two prefixes refer to the type of supply voltage signal used to drive them. In this study the interest is in the nanosecond (NS) plasma

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(RTO) Characterization of the time-dependent behaviour of

behaviour of dielectric barrier discharge plasma actuators Arash Naghib-Lahouti∗ and Rogerio Pimentel† Defence RD Canada, Valcartier, Quebec, G3J 1X5, Canada Philippe Lavoie‡ University of Toronto Institute for Aerospace Studies, Toronto, Ontario, M3H 5T6, Canada Phase-locked PIV has been used to investigate the time-dependent

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Macroscopic Computational Model of Dielectric Barrier

Plasma actuators are promising devices that achieve flow control with no moving parts, do not alter the airfoil shape and place no parts in the flow. The operation of a plasma actuator is examined using a macroscopic (force and power addition) computational fluid dynamic model of a dielectric barrier discharge, DBD, in Fluent.

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Characterization of surface dielectric barrier discharge

Surface dielectric barrier discharge (SDBD) is widely applied in the field of active flow control. Its carrier is usually called plasma actuator (PA). However, it has a key drawback of short discharge lifetime due to the dielectric degradation under plasma processing.

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Force Production Mechanisms of a Dielectric-Barrier

Force Production Mechanisms of a Dielectric-Barrier Discharge Plasma Actuator James W. Gregory*, C. Lon Enloe†, Gabriel I. Font‡, and Thomas E. McLaughlin United States Air Force Academy, USAF Academy, CO, 80840 This paper details the principles behind the time-averaged force production by a dielectric-barrier discharge plasma actuator.

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Parallel 3-D numerical simulation of dielectric barrier

Dielectric barrier discharge plasma actuators have shown promise in a range of applications including flow control, sterilization and ozone generation. Developing numerical models of plasma actuators is of great importance, because a high-fidelity parallel numerical model allows new

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Simple body force model for Dielectric Barrier Discharge

Airow actuation by means of Electro Hydrodynamic (EHD) force exploit electrical discharge (or plasma) to transfer momentum to the neutral species through collisions with ions, produced and accelerated by the application of external electric eld (or electromagnetic eld). During the past decade, surface Dielectric Barrier Discharge (DBD) plasmas

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Dielectric barrier discharge-based plasma actuator

OSTI.GOV Journal Article Dielectric barrier discharge-based plasma actuator operation in artificial atmospheres for validation of modeling and simulation. Dielectric barrier discharge-based plasma actuator operation in artificial atmospheres for validation of modeling and simulation. Full Record;

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Computational modelling of Dielectric Barrier Discharge

Plasma actuators are comparatively new devices that have been devised for flow control. A Dielectric Barrier Discharge (DBD) plasma actuator is a commonly used plasma actuator. It typically consists of a set of asymmetrically placed electrodes and a dielectric. One of the

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Experimental Analysis of Dielectric Barrier Discharge

Dielectric barrier discharge (DBD) plasma actuators have several applications within the field of active flow control. Separation control, wake control, aircraft noise reduction, modification of velocity fluctuations, or boundary layer control are just some examples of their applications.

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Numerical Visualization of Dielectric Barrier Discharge

A single dielectric barrier discharge is a specific configuration for plasma actuators consisting of two electrodes, one coated by a dielectric material and the other is exposed to the air. The purpose of this paper is to study the characteristics of single dielectric barrier discharge (DBD) plasma actuator through numerical modeling.

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Numerical analysis of plasma evolution on dielectric

Sign on. Time evolution of the discharge plasma in the dielectric barrier discharge (DBD) plasma actuator was simulated by the simple fluid model in which the electron and single positive ion species were considered. The characteristics of the discharge plasma evolution were investigated in detail, and the following results were obtained.

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Journal of Applied Physics 2011Hiroyuki Nishida Takashi Abe Tokyo University of Agriculture and TechnologyActuator Dielectric Numerical analysis Dielectric barrier discharge Electric potential

Dielectric barrier discharge Wikipedia Republished // WIKI 2

A dielectric barrier discharge produced using mica sheets as dielectric, put on two steel plates as electrode. The discharge is taking place in normal atmospheric air, at about 30 kHz, with a

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Surface Dielectric Barrier Discharge Plasma Actuators for

use of surface dielectric barrier discharge (SDBD) plasma actuators driven by an alternating current (AC) source for active flow control. The AC-SDBD plasma actuator is composed of two electrodes separated by a dielectric material arranged in an asymmetric fashion. Application of a sufficiently high-voltage AC signal between the

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