Dielectric barrier discharge dbd in air is characterized applying current measurement, numerical simulation and optical emission spectroscopy oes. Fabrication of sinx thin film of micro dielectric barrier. Investigation of characteristics of dielectric barrier discharge using a numerical model chaoao shi, kazimierz adamiak, g. Lang3 1eindhoven university of technology, eindhoven, the netherlands. A16101electrical characterization of dielectric barrier discharge by dr. Twodimensional simulation of argon dielectric barrier discharge excited by a. Fluid model for a partially packed dielectric barrier discharge plasma. In this model, the exposed electrode is supplied with a transient voltage that, at its peak, causes the gas over the inserted electrode to ionize. Asymmetric surface dielectric barrier discharges dbds have shown promise for use as aerodynamic actuators which can prevent. In this paper, a parametric study has been performed in order to increase the velocity of the ionic wind induced by such actuators. A dielectric barrier discharge dbd produces a homogenous discharge with low energy consumption, offering broad developmental prospects, and this discharge process is also the mechanism through which charges are transported. Dielectric barrier discharge control of a turbulent. Dielectric barrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Basics and biomedical applications of dielectric barrier.
Baaijens, voor een commissie aangewezen door het college voor promoties, in het openbaar te verdedigen op donderdag 28 mei 2015 om 16. Designing and modeling electrical systems and devices. Computational study of surface dielectric barrier discharge plasma. Dielectric barrier discharge, ozone generation, and their applications complex plasmas summer institute 2008 jose l. Dielectric barrier discharge how is dielectric barrier. This diagnostic method is applicable when crosssectional area of the active plasma volume and current density can be determined. In this study, doublelayered insulating barrier is used to examine the dielectric behavior of small planeplane air gap under positive and negative dc voltages fig. The ability to accurately model these devices can greatly benefit the design process and contribute to increasing the efficiency of the device through better understanding of the multiphysics interaction between piezoelectric, structural, and dielectric or conductive materials in. This work uses comsol to simulate the dielectric barrier discharge dbd lamp coupled to the external electrical circuit. The dielectric barrier consisted of two glass slabs, which cover both reactor electrodes. Characteristics of dielectric barrier discharge reactor. Dielectricbarrierdischarge ionization is an ambientionization technique. The time dependent onedimensional plasma module was adapted for modeling of the dbd in copper electrodes with quartz glass as a dielectric material.
The largely isothermal surface plasma generation realized above can modify the nearwall flow structure by means of lorentzian collisions between the ionized fluid and the neutral fluid. Our dbds used a symmetric triangular high voltage waveform to generate plasma in atmospheric pressure air. Energies free fulltext dielectric barrier discharge. Lopez, phd setoseto a u e s tyn hall university department of physics south orange, new jersey usa. Lopez saint peters college department of applied science and technology physics division jersey city, new jersey usa. Today most airplanes use some kind of passive flow control, for example vor. Typical operational conditions of barrier discharges electric field strength e of first breakdown.
Multirod dbd reactor is introduced for no removal based on both dielectric barrier discharges and sliding discharges. It is found that a packing enhances the electric field strength and electron. Modeling and simulation of dielectric barrier discharge plasma reactor for nitrogen fixation reaction b. Dielectricbarrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. I was wondering could someone help me benchmark in comsol 5. Recently, the most commonly used plasma actuator has become the singledielectric barrier discharge sdbd. This physical phenomenon is nowadays well known, and many researchers have contributed to the comprehension and explanation of the micro discharge mechanism. Zissis 2 1universityof toronto, 2laplaceuniversityof toulousefrance corresponding author. Numerical simulation of atmospheric dielectric barrier discharge in. In this simple model the problem is reduced to 1d by assuming the dielectric gap is much smaller than the diameter of the plates. The dbd discharge has been generated in planar geometry reactor powered by ac voltage provided by conventional high voltage transformer. A packed bed dielectric barrier discharge plasma reactor is computationally studied with a fluid model. A plasma is periodically formed in between two parallel dielectric plates, one of which is grounded and the other applied with a sinusoidal voltage.
Modeling of dielectric barrier discharge and resulting fluid dynamics balaji jayaraman 1, siddharth thakur 2 and wei shyy 3 dept. Furthermore, this example may also be defined and modeled using components from the following product combinations. Dielectricbarrier discharges dbds comprise a specific class of highvoltage, ac, gaseous discharges that typically operate in the nearatmospheric pressure range. Electrostatic analysis of dc discharge phenomena in air with. Two different complementary axisymmetric 2d geometries are used to mimic the intrinsic 3d problem. Oliveira university of beira interior, department of electromechanical engineering, center for aerospace sciences and. Optimization of a dielectric barrier discharge actuator by. Simulation of dielectric barrier discharge lamp coupled to the external electrical circuit a. Fluid modelling of a packed bed dielectric barrier discharge. Corke, director graduate program in aerospace and mechanical engineering notre dame.
Modeling dielectric barrier discharges in more than one dimension is possible, but the results can be difficult to interpret because of the amount of competing physics in the problem. Dielectric barrier discharge control of a turbulent boundary. Modeling of dielectric barrier discharge plasma actuator. Sep, 2018 triboelectric nanogenerators tengs naturally have the capability of high voltage output to breakdown gas easily. Pdf dielectric barrier discharge dbd dynamic modeling for. Dielectric barrier discaharge example comsol multiphysics. Sterilization of tubular medi cal instruments using wire. Timedependent onedimensional simulation of atmospheric. Investigation of characteristics of dielectric barrier. Characterization of dielectric barrier discharge in air.
Numerical modeling of boundary layer control using. Measurements and simulations of surface dielectric barrier. Modeling of dielectric barrier discharge and resulting fluid. Modeling dielectric barrier discharges in more than one dimension is. A new dielectric barrier discharge plasma actuator model illustrates the new finite volume discretization scheme available in the plasma module. Basic understanding of the phenomena inside the dbd plasma reactor, e. Plasma module application gallery examples comsol multiphysics. Nov 25, 2014 dielectric barrier discharge ionization is an ambientionization technique.
Many factors affect the dbd, such as electrical, geometrical and climactic parameters. Electrical characterization of dielectric barrier discharge. This physical phenomenon is nowadays well known, and many researchers have contributed to the comprehension and explanation of the microdischarge mechanism. Modeling of and driver design for a dielectric barrier discharge lamp. Modeling and simulation of dielectric barrier discharge. Dielectric barrier discharge dbd excimer lamp is a very attractive source for ultravio. Dielectric barrier discharge dbd in air has been the subject of many research studies. Basics and biomedical applications of dielectric barrier discharge dbd, biomedical engineering, trends in materials science, anthony n. Effects and mechanism of atmosphericpressure dielectric barrier discharge cold plasma on lactate dehydrogenase ldh enzyme hao zhang, 1 zimu xu, 2 jie shen, 3, 4 xu li, 1 lili ding, 1 jie ma, 4 yan lan, 3, 4 weidong xia, a, 1, 2 cheng cheng, b, 3, 4, 5 qiang sun, 2 zelong zhang, 2 and paul k. Aug 30, 20 dielectric barrier discharge using a ignition coil. Silicon nitride sinx is often used as a dielectric barrier layer in dbd due to its excellent chemical inertness and high electrical permittivity. Discharge current and applied voltage to the electrode as a function of time. Pdf dielectric barrier discharge dbd dynamic modeling.
Development of a dielectric barrier discharge ion source for. On right, the schematic diagram shows a typical construction of a dbd wherein one of the. Several studies have shown that a surface dielectric barrier discharge dbd may be used as an electrohydrodynamic ehd actuator in order to control airflows. Modeling of dielectric barrier discharge and resulting. Development of dielectricbarrierdischarge ionization. Abstractdielectric barrier discharge dbd is the electrical discharge between the electrodes in the presence of an insulating barrier.
Modelling and simulation of microplasma discharge device. The results show that an optimization of geometrical and electrical parameters allows us to obtain a. Dielectric barrier discharge, ozone generation, and their. Single dielectric barrier discharge plasma actuators a dissertation submitted to the graduate school of the university of notre dame in partial ful llment of the requirements for the degree of doctor of philosophy by dmitriy m. Piezoelectric materials contribute as a key design component in transducers, sensors, actuators, and resonators. Detailed investigations into the properties of this nonequilibrium discharge which can be conveniently operated at about atmospheric pressure led to a. Verlackt, 2 annemie bogaerts, 2 min ho kang, 1 han sup uhm, 1 eun ha choi, a, 1 and. Plasma actuators can be subcategorized into two major families. Development of a dielectric barrier discharge ion source.
The dielectric barrier discharge ionization source, termed as dbdi herein, was composed of a copper sheet electrode, a discharge electrode, and a piece of glass slide in between as dielectric barrier as well as sample plate. Dielectric barrier discharge this model simulates electrical breakdown in an atmospheric pressure gas. Two electrodes are typically separated by a dielectric barrier usually glass. In this study, doublelayered solid dielectric barriers and planeplane electrode system are used to examine the dc discharge characteristics of air under atmospheric pressure. The chemical molecular probe dimethyl sulfoxide was employed for quantification of. Electrostatic analysis of dc discharge phenomena in air. Computational study of surface dielectric barrier discharge plasma actuator for flow control using comsol multiphysics. They combine the aduantages of nonequilibrium plasma properties with the ease. Fluid modelling of a packed bed dielectric barrier. Furthermore, this example may also be defined and modeled using components. Barrier effects have been investigated by a number of authors and many papers have been published on barrier discharge 57. Their history, discharge physics, and industrial applications ulrich kogelschatz1 receiued april 5, 2002. Measurement of reactive species generated by dielectric. Dielectric barrier discharge dbd dynamic modeling for high voltage insulation conference paper pdf available june 2011 with 199 reads how we measure reads.
The formation of hydroxyl radical and longliving chemical species h 2 o 2, o 3, and generated in the liquid phase of a water falling film dielectric barrier discharge in dependence on the gas atmosphere air, nitrogen, oxygen, argon and helium was studied. The electrical dynamics of dielectric barrier discharges. Dielectric barrier discharge using a ignition coil. Their defining feature is the presence of dielectric layers that make it impossible for charges generated in the gas to reach the conducting electrode surfaces. Their history, discharge physics, and industrial applications article pdf available in plasma chemistry and plasma processing 231. Simulation of dielectric barrier discharge lamp coupled to. Request pdf numerical simulation of atmospheric dielectric barrier discharge in helium gas using comsol multiphysics in this work, a one.
Since its first description in 2007, it has attracted much attention in such fields as biological analysis, food safety, massspectrometry imaging, forensic identification, and reaction monitoring for its advantages, e. Triboelectric nanogenerators tengs naturally have the capability of high voltage output to breakdown gas easily. A comparative study for the inactivation of multidrug resistance bacteria using dielectric barrier discharge and nanosecond pulsed plasma ji hoon park, 1, naresh kumar, 1, dae hoon park, 1 maksudbek yusupov, 2 erik c. Here we present a concept of triboelectric microplasma by integrating tengs with. Page 1 electrical characterization of dielectric barrier discharge dr. Nikita bibinov, priyadarshini rajasekaran, philipp mertmann dirk wandke, wolfgang viol and peter awakowicz january 8th 2011. Effects and mechanism of atmosphericpressure dielectric. Feb 25, 2014 2d simulation of single dielectric barrier discharge plasma actuator.
In this study, plasma processing parameters of a dielectric barrier discharge dbd based argon plasma was carried at atmospheric pressure in flat plate configuration. Triboelectric microplasma powered by mechanical stimuli. The coupled system is modeled to capture the effect of the electrical parasitic elements on the efficiency of the dbd which is more realistic as compared to previous trials which assumed that a perfect voltage source is applied to lamp terminals. Modeling dielectric barrier discharge plasma actuators to be.
The potential drawn in this model was compared with the paper by jaegle example. Numerical modeling of boundary layer control using dielectric. Dielectric barrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. However, during fabrication of the mdbd devices with.
Focusing on the electrode configuration of the multineedletocylinder mc system, i. Dielectric barrier discharge dbd is one of the most famous working. The prevention of glowtoarc transition exhibited by micro dielectric barrier discharge mdbd, as well as its long lifetime, has generated much excitement across a variety of applications. Sterilization of tubular medi cal instruments using wiretype. Experimental investigation of the dielectric barrier. Peter castle department of electrical and computer engineering.
A comparative study for the inactivation of multidrug. Glow discharge at atmospheric pressure using a dielectric barrier discharge can induce fluid flow and operate as an actuator for flow control 16. Dielectricbarrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier. A new ion source based on dielectric barrier discharge was developed as an alternative ionization source for ambient mass spectrometry. Higher reaction efficiency is achieved when more charges are transported.
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