Electric wind produced by a surface dielectric barrier. Dielectric barrier discharge properties and applications. Performance characterization and quantification of dielectric. Pdf low pressure characterization of dielectric barrier. In this experiment, singlelayer barrier tube plasma reactor was used to study the influence of o 2 and c 2 h 4 ethylene to no removal rate. Their history, discharge physics, and industrial applications ulrich kogelschatz1 receiued april 5, 2002. It is known that the dbd can be occurred between two electrodes, at least one of which should be covered with dielectric, when an ac high voltage is applied on the electrodes. Problems of the active power definition in the barrier 163 discharge with dielectric of high specific capacity. Pdf treatment of water by dielectric barrier discharge.
Dielectric barrier discharge for surface treatment. Direct nonoxidative methane conver sion by dielectric. Others mechanical devices such as vortex generator, slats and flaps produce noises and. Intensity control of dielectric barrier discharge filaments. Dielectric barrier discharge dbd is a typical nonequilibrium high pressure ac gas discharge. Dielectric barrier discharge in atmospheric air for di erent. Ozone and nitrogen oxides synthesis, energy 161 consumption. They found that several discharge stages could occur during a halfcycle of the driving oscillation, each producing a distinct. On the use of pulsed dielectric barrier discharges to. Dbds are known under different names like barrier discharge, silent discharge, ac discharge, normal pressure glow discharge, ozonizer discharge and display discharge. A typical dielectric barrier discharge actuator is operated in relative humidity rh ranging from 40% up to 98%. Intensity control of dielectric barrier discharge filaments by matthew crawford paliwoda a thesis presented to the faculty of the graduate school of the missouri university of science and technology in partial fulfillment of the requirements for the degree master of science in aerospace engineering 2016 approved by joshua l. Application of dielectric surface barrier discharge for food. Report on the different plasma m odules for pollution.
Our study was mainly focused on electrical characterization of micro discharges produced by dbd. Dielectric barrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier. After the thermal plasma reaches a local equilibrium state, the electron temperature. Detailed investigations into the properties of this nonequilibrium discharge which can be conveniently operated at about atmospheric pressure led to a. Application of dielectric surface barrier discharge for food storage. Ozone synthesis in the discharge with pulse supply. Dielectricbarrierdischarge ionization is an ambientionization technique. Pdf dielectric barrier discharges dbds are plasmas generated in configurations with an insulating dielectric material between the electrodes which. Carbon dioxide splitting in a dielectric barrier discharge.
Carbon dioxide splitting in a dielectric barrier discharge plasma. Generation of extended surface barrier discharge on dielectric. A16101electrical characterization of dielectric barrier discharge by dr. A discharge drift diffusive model according to the townsend avalanche is described and used to duplicate the plasma kinetics of a dbd actuator. Dielectric barrier discharge, ozone generation, and their. Ozone production with dielectric barrier discharge. Nov 25, 2014 dielectric barrier discharge ionization is an ambientionization technique. Dielectricbarrier discharges silent discharges are used on a large industrial scale. In this simple model the problem is reduced to 1d by assuming the dielectric gap is much smaller than the diameter of the plates. Publishers pdf, also known as version of record includes final page. Dielectric barrier discharge for surface treatment iopscience. Page 1 electrical characterization of dielectric barrier discharge dr. Development of dielectricbarrierdischarge ionization.
Electron impact processes in dbds produce radicals and ions which initiate the plasma chemistry. Dielectric barrier discharge dbd is a nonthermal plasma. Yassine bellebna, rabah ouiddir, said nemmich, amar tilmatine apelec laboratory, djillali liabes university of sidi belabbes, algeria. Effects and mechanism of atmosphericpressure dielectric. It has been used in many applications such as displays, mobile devices and solar cells. Dielectric barrier discharge dbd plasma actuator is becoming a popular device in aeronautics application. This socalled dielectric barrier is responsible for a selfpulsing plasma operation and thus, the formation of a nonthermal plasma at normal pressure. It has been exclusively related to ozone generation for a long time. Single dielectric barrier discharge plasma enhanced. Electrical characterization of dielectric barrier discharge. Effect of gas composition on removal of no by dielectric. Abstract dielectric barrier discharge dbd with a grounded electrode sliding electrode on the same surface as the high voltage electrode three electrode. Dielectricbarrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. Sterilization of tubular medi cal instruments using wiretype.
This physical phenomenon is nowadays well known, and many researchers have contributed to the comprehension and explanation of the microdischarge mechanism. Low pressure characterization of dielectric barrier discharge actuators article pdf available in applied physics letters 10211 march 20 with 116 reads how we measure reads. Methanol production in ac dielectric barrier discharge. In order to understand the reaction mechanisms of no removal in dielectric barrier discharge reactor, the effect of gas composition on plasma reduction of no was studied. Dielectric barrier discharges dbds are selfsustaining electrical discharges in electrode configurations containing an insulating material in the discharge path. Modeling of dielectric barrier discharge plasma actuator. A dielectric barrier discharge plasma reactor has been designed and constructed. The dbd discharge has been generated in planar geometry reactor powered by ac voltage provided by conventional high voltage transformer. The current behaviour of the plasma discharge is analyzed and timeaveraged and timeresolved measurements of the produced electric wind are proposed. Dielectric barrier lamps are discharge light sources having electrodes, but in which there is no direct contact between the discharge and the electrodes. Effects of power source and humidity article pdf available in ieee transactions on plasma science 4410. They combine the advantages of nonequilibrium plasma.
The reactor operating conditions for the desired reaction have been calculated using the dissociation of water molecules as a model reaction. Dielectric barrier discharge eagle harbor technologies. Electrical characterization of dielectric barrier discharge dr. Nonthermal dielectric barrier discharge generator sciencedirect.
Abstractdielectric barrier discharge dbd is the electrical discharge between the electrodes in the presence of an insulating barrier. 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. A dynamic electrical model for homogeneous discharge has been put forward by liu and neiger 2003. The air discharge gap between the dielectric layers was varied from 1. 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. Influence of plasma dielectric barrier discharge on oligomerization of carbon monoxide was shown. However, the electrical properties of a filamentary discharge are more complicated due to the presence of collective phenomenon.
In order to overcome these problems, a single species dbd model for a point to plane configuration is presented in this paper. Experimental investigation of the dielectric barrier. 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 dbd plasmas and their applications. Characterization of dielectric barrier discharge in air. Report on the different plasma m odules for pollution removal. This physical phenomenon is nowadays well known, and many researchers have contributed to the comprehension and explanation of the micro discharge mechanism. The dielectric is the key for the proper functioning of the discharge. Dielectricbarrier discharges dbds comprise a specific class of highvoltage, ac, gaseous discharges that typically operate in the nearatmospheric pressure range.
Their history, discharge physics, and industrial applications article pdf available in plasma chemistry and plasma processing 231. Effect of dielectric barrier discharge dbd plasma on the structure. Dielectric barrier discharge dbd plasmas and their. Two plasma discharge modes are observed, regardless of the relative. Pdf dielectricbarrier discharges silent discharges are used on a large industrial scale. They combine the aduantages of nonequilibrium plasma properties with the ease. Mohan sankaran, daniel lacks case western reserve university, u. A numerical investigation of dielectric barrier discharge aimed to simulate the electro hydro dynamic interaction is presented. The electrical dynamics of dielectric barrier discharges technische. Glow discharge at atmospheric pressure using a dielectric barrier discharge can induce fluid flow and operate as an actuator for flow control 16. Lopez, phd setoseto a u e s tyn hall university department of physics south orange, new jersey usa. The purpose of this paper is to study and design a nonthermal dielectric barrier discharge generator generated by a dc power supply, by designing two different. Kushner, fellow, ieee abstractnonarcing microdielectric barrier discharges mdbds using radiofrequency excitation are attractive in that the arrays of devices can be inexpensively produced to. Role of surface vs gas phase dynamics a interaction between filaments b diffuse discharges v.
The aluev of charge qcorresponds to the charge transferred in one discharge pulse in the case of the di use mode and to the summary charge of several most significant discharge current pulses in lamentary mode. In this study, doublelayered solid dielectric barriers and planeplane electrode system are used to examine the dc discharge characteristics of air under atmospheric pressure. This socalled dielectric barrier is responsible for a selfpulsing plasma operation and thus, the formation of. Characterization of dielectric barrier discharge in air applying current measurement, numerical simulation and emission spectroscopy priyadarshini rajasekaran, nikita bibinov and peter awakowicz institute for electrical engineering and plasma technology, ruhruniversitat bochum, universitatstr. The dielectric barrier consisted of two glass slabs, which cover both reactor electrodes. Dbds are known under different names like barrier discharge, silent discharge, acdischarge, normal pressure glow discharge, ozonizer discharge and display discharge.
Abstract this study was aimed to determine the influence of dielectric barrier discharge dbd plasma with a plasma intensity 20 and 40 kv. Direct nonoxidative methane conversion by dielectric barrier discharge a modeling study xiaozhou shen, joseph toth, r. Dielectric barrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. Eht pulse generators have been used to generate a wide range of dielectric barrier discharges for medical devices, basic research, surface modification and many other applications. On right, the schematic diagram shows a typical construction of a dbd wherein one of the. Dielectricbarrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier.
Eiceman d, isik kanik c aimaginative technologies llc, monrovia, ca. An overview of corona discharge, arc discharge, dielectric barrier discharge dbd, surface discharge sd, atmospheric pressure glow discharge apgd and atmospheric pressure plasmas jet has been. 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. They found that several discharge stages could occur during a halfcycle of the driving oscillation. Characteristics of dielectric barrier discharge reactor for. Optical and discharge physics dielectric barrier discharges dbds are well suited for generation of gasphase radicals at atmospheric pressures. Dielectric barrier discharge indiumtin oxide dc magnetron xray photoelectron spectroscopy aluminumdoped zinc oxide azo is a material that can have high electrical conductivity while being highly transparent at the same time. Methanol production in ac dielectric barrier discharge aghamir farzin m. The peak to peak discharge voltage is recorded at varying discharge frequency for fixed driving power defined by vdd. Dielectric barrier discharge dbd in air has been the subject of many research studies. Gas flowrate was 3 cm 3 s for h 2 and 6 sm 3 s for co. Electrostatic analysis of dc discharge phenomena in air with.
They are separated, as the name implies, by a dielectric material and power is coupled capacitively into the discharge. Dielectric barrier discharge plasma reactor springerlink. Various types of plasma discharges such as dielectric barrier discharge dbd and corona discharge were reported to be able to produce h 2 o 2 1, 10, 1214151617. Electron current from an rf microdielectric barrier discharge junchieh wang, napoleon leoni, henryk birecki, omer gila, and mark j. Intracellular electric fields produced by dielectric barrier. Quasistationary numerical model of the dielectric barrier. 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. Electrical characteristics and modeling of a filamentary. Experimental investigation of the dielectric barrier discharge using. Oligomerization of carbon monoxide in plasma of the.
881 577 1315 958 523 267 1540 853 317 1302 469 863 1020 448 46 370 29 1487 1278 755 101 818 76 1304 528 1251 1477 1236 1035 180 175 1388 146 1120 738 94 899 272 1399 518 1424 687 69 565 100 797 955 1188 291 522