gasdynamics of sliding and dielectric barier

Study of the Flow Induced by a Sliding Discharge

306 R. Sosa et al.: Study of the Flow Induced by a Sliding Discharge actuated with DBD have been carried out (see for instance [4-7]). The BED may produce distinctive gaseous discharges depending on the applied potential and the flow conditions [8], these are

Experimental study and numerical modelling of a

2003/9/1The charge densities on the dielectric surfaces were calculated as the time integral of the flux of charge carriers reaching each barrier, i.e. (8) σ b1,b2 (t)=e ∫ t 0 t n p w p −n e w e −n n w n +D e ∇ n e d t′, and the total amount of deposited charge on each

Modeling of dielectric barrier discharge

2008/4/1A dielectric barrier discharge, operating at kHz and kV conditions, can generate largely isothermal surface plasma and induce wall-jet-like fluid flow. It can serve as an aerodynamic actuator, and has advantages of no moving parts. In order to better understand the

( 1 ) NO Removal Using Dielectric Barrier Discharges in a Multi

Assiut university Staff Researches ( 1 ) NO Removal Using Dielectric Barrier Discharges in a Multi-rod Reactor Stressed by AC and Pulsed High Voltages Hassan Wedaa, Mazen Abdel-Salam, Adel Ahmed and Akira Mizuno Abstract: This paper is aimed at

Study of the flow induced by a sliding discharge

Study of the flow induced by a sliding discharge Roberto Sosa, Elise Arnaud, Guillermo Artana To cite this version: dielectric material. The dielectric barrier interposed between both electrodes plays an important role in the stabilization of the discharge.

Plasma and Magnetic Field Generation (Chapter 7)

Plasma Dynamics for Aerospace Engineering - June 2018 We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Close this message to accept cookies or find out how to manage your cookie settings.

Flow visualization and mechanisms of three

Nanosecond pulsed sliding dielectric barrier discharge plasma actuator for airflow control: Electrical, optical, and mechanical characteristics K. D. Bayoda, N. Bnard, E. Moreau Materials Science 2015 63 View 1 excerpt, references background Save Alert

Dielectric barrier discharge

2017/3/14Discharge and optical characterizations of nanosecond pulse sliding dielectric barrier discharge plasma for volatile organic compound degradation Nan Jiang 3,1, Lianjie Guo 1,2, Kefeng Shang 1, Na Lu 1, Jie Li 1 and Yan Wu 1 Published 14 March 2017 •

Surface Dielectric Barrier Discharge Plasma Actuators

Surface dielectric barrier discharge (DBD) plasma actu-ators are widely investigated for their ability to manipu-late airflow [1, 2]. This results in a "sliding" of the space charge between both air-exposed electrodes. The main advantage of this discharge is that it

Study of the Flow Induced by a Sliding Discharge

306 R. Sosa et al.: Study of the Flow Induced by a Sliding Discharge actuated with DBD have been carried out (see for instance [4-7]). The BED may produce distinctive gaseous discharges depending on the applied potential and the flow conditions [8], these are

Electric wind induced by sliding discharge in air at

2008/1/1Electric wind time-averaged velocity profiles induced by the three discharges at different x-values: dielectric barrier discharge (- -), sliding discharge with V DC =−10 kV (- -) and discharge with V DC =+19 kV (- -). The time-averaged value of the electric windFig. 6

Capillary Dielectric Barrier Discharge: Transition from Soft

A capillary He dielectric barrier discharge was investigated with respect to its performance as a soft or dissociative ionization source. Spatiotemporal measurements of the plasma emission showed that in one voltage duty cycle the plasma evolved from a soft to dissociative ionization source. At the earliest time, the soft plasma was generated between the electrodes as well as outside the

Effect of air flow on the micro

The micro-discharge properties and evolution in a 2D array of integrated coaxial microhollow dielectric barrier discharges are studied by using highly time-resolved electrical and optical diagnostics. The study is focused on the effect of the gas flow rate and gas

Electrostatic Analysis of DC Discharge Phenomena in Air with Dielectric Barriers

Abstract—Dielectric barrier discharge (DBD) is the electrical discharge between the electrodes in the presence of an insulating barrier. In this study, double-layered solid dielectric barriers and plane-plane electrode system are used to examine the DC discharge

The Dominant Pathways for the Conversion of Methane

A one-dimensional fluid model for a dielectric barrier discharge in CH4/O2 and CH4/CO2 gas mixtures is developed. The model describes the gas-phase chemistry for partial oxidation and for dry reforming of methane. The spatially averaged densities of the various plasma species are presented as a function of time and initial gas mixing ratio. Besides, the conversion of the inlet gases and the

Study of the Flow Induced by a Sliding Discharge

Study of the Flow Induced by a Sliding Discharge R. Sosa University of Buenos Aires and CONICET Av. Paseo Coln 850, C1063ACV Buenos Aires, Argentina E. Arnaud INRIA Rhne-Alpes 655, avenue de l'Europe 38330 Montbonnot, France E. Memin INRIA

Plasma and Magnetic Field Generation (Chapter 7)

Plasma Dynamics for Aerospace Engineering - June 2018 We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Close this message to accept cookies or find out how to manage your cookie settings.

Electrostatic Analysis of DC Discharge Phenomena in Air with Dielectric Barriers

Abstract—Dielectric barrier discharge (DBD) is the electrical discharge between the electrodes in the presence of an insulating barrier. In this study, double-layered solid dielectric barriers and plane-plane electrode system are used to examine the DC discharge

Numerical Simulation of Nanosecond

dielectric barrier discharge. Schematics of the experiment are shown in Fig. 1. Figure 1a shows a diagram of the model mounted in the wind tunnel, and Figs. 1b-c illustrate the actuator con guration on the cylinder. The hollow cylinder model was made of fused

A Study on Combined Processes of Sliding Arc Plasma and

Abstract The combined process of Sliding Arc Plasma and corona dielectric barrier discharge process (CDBD) was used to efficiently improve harmful substance, which convert into OH radicals which have strong oxidation potential, and so have deodorization and

Study of the Flow Induced by a Sliding Discharge

Study of the Flow Induced by a Sliding Discharge R. Sosa University of Buenos Aires and CONICET Av. Paseo Coln 850, C1063ACV Buenos Aires, Argentina E. Arnaud INRIA Rhne-Alpes 655, avenue de l'Europe 38330 Montbonnot, France E. Memin INRIA

(PDF) Sliding discharge in air at atmospheric pressure:

AC surface dielectric barrier discharge (DBD)Another type of discharge may be used to limite the glow-to-arc transition: the barrier discharge (DBD), perfected by Roth in 1998 [5]. This plasma actuator is composed by two flat electrodes flush mounted on both sides of a dielectric, as shown in Fig. 2a.

Nanosecond pulsed sliding dielectric barrier discharge

2015/8/12This sliding discharge is compared to the typical nanosecond dielectric barrier discharge by means of electrical, optical, and mechanical diagnostics. Electrical characterization reveals that the deposited energy can be widely increased.

THE ROLE OF A DIELECTRIC BARRIER IN ELECTRICAL TREES INITIATION IN SOLID INSULATION

Journal of ELECTRICAL ENGINEERING, VOL. 59, NO. 5, 2008, 248–253 THE ROLE OF A DIELECTRIC BARRIER IN ELECTRICAL TREES INITIATION IN SOLID INSULATION Konstantinos Theodosiou — Ioannis Gialas ∗ This paper examines the role of a strong

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