Multilayer ceramic technologies for dielectric barrier. Diagnostics of dielectric barrier discharge at atmospheric. Introduction surface dielectric barrier discharges sdbd are generated in a thin layer along along a dielectric surface, at room temperature and atmospheric pressure 14. Singledielectric barrier discharge plasma actuator. A gapless microdielectricbarrierdischarge ion source for. Characterization of dielectric barrier discharge in air. The physics of the plasma discharge was studied through the timeresolved light intensity measurements of the plasma illumination. Dielectric barrier discharge microplasma is a nonthermal plasma discharge at atmospheric pressure which due to the micrometer size dielectric layer between the grounded and highvoltage energized electrodes enables to drive the device at less than 1 kv. Detailed investigations into the properties of this nonequilibrium discharge which can be conveniently operated at about atmospheric pressure led to a. The dielectric discharge dd test is a diagnostic insulation test that allows aging and deterioration of insulation to be assessed.
Physics, northeast normal university, changchin, china, 3 department of biological and chemical engineering, gunma university, japan. Introduction traditional approaches for active flow separation control using. Hui wang, a,b zhigang duan, a feng wang, a hongyan wang, c, and guanben du a. If the inline pdf is not rendering correctly, you can download the pdf file here.
Dielectric barrier discharge, ozone generation, and their applications complex plasmas summer institute 2008 jose l. The properties and effects of electric discharges are useful over a wide range of magnitudes. Pdf characteristics of dielectric barrier discharge. Abstracta numerical model for simulation of dielectric barrier discharge dbd is presented in this paper. Their history, discharge physics, and industrial applications ulrich kogelschatz1 receiued april 5, 2002. Discharge pulse duration and distance between dielectric and discharge surface depends on load, design of dbd electrode and voltage setting. The model predicts that the primary co2 dissociation pathway within a dbd is electron impact dissociation and electronvibrational excitation. Dielectric barrier discharge is a nonequilibrium plasma, and its industrial application has been on a large scale. Effects of dielectric barrier discharge plasma treatments on the performance of poplar plywood produced with uf resins of different molar ratios. This socalled dielectric barrier is responsible for a selfpulsing plasma operation and thus, the formation of. Singledielectric barrier discharge sdbd plasma actuators have gained a great deal of worldwide interest for flowcontrol applications. Degradation of glucocorticoids in water by dielectric barrier. Modelling and simulation of single dielectric barrier.
Interaction between a surface dielectric barrier discharge. Water treatment by dielectric barrier discharge tube with. They combine the aduantages of nonequilibrium plasma properties with the ease. Dielectric barrier discharge dbd plasma actuator is becoming a popular device in aeronautics application.
The lower part of the reactor is the plasma module, which consists of 19. Discharge characteristics were investigated to understand the. View dielectric barrier discharge research papers on academia. Feb 04, 2010 amplitude 30kv with alternating polarity, maximum pulse energy 45mj, repetition rate 0 20khz. Generated by a high ac voltage, dbd eventually evolves into a quasistationary state phenomenon with the same frequency as the applied voltage. Pdf ozone production with dielectric barrier discharge. Investigation of characteristics of dielectric barrier. It has been used in many applications such as displays, mobile devices and solar cells. Similarly, its prominent features of high dissociation ability at low working temperature and low power consumption, simple and adjustable configuration, ambient working conditions, and long lifetime are favorable for developing a wide array of analytical devices as well. Dielectricbarrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier. Applications of dielectric barrier discharge microplasma. Characterization of a surface dielectric barrier discharge.
Dielectric barrier discharge dbd is a nonthermal plasma. This work presents the study of the single dielectric barrier discharge aerodynamic plasma actuator. Introduction dielectric barrier discharges dbds are selfsustaining electrical discharges in electrode con. The starting vortex in quiescent air induced by dielectric. Aug 30, 20 dielectric barrier discharge using a ignition coil. They combine the advantages of nonequilibrium plasma properties with the ease of atmosphericpressure operation. Electrical and spectroscopic investigations on atmospheric. Moreover, surface dbds allow to ionize the gas very close to the dielectric surface and can be used to ionize the boundary layer around an object immersed in a flow. Lopez saint peters college department of applied science and technology physics division jersey city, new jersey usa. Eiceman d, isik kanik c aimaginative technologies llc, monrovia, ca. Mizuno1 1 department of ecological engineering, toyohashi university of technology, japan 2 on leave from dept. Atmospheric pressure dielectric barrier discharges dbd has many industrial applications and remains a focus of academic research. With this has come the need for flowinteraction models of plasma actuators that can be used in computational flow simulations.
Singledielectric barrier discharge plasma actuator modelling. Dielectric barrier discharge research papers academia. Plasmapolymerization of hmdso using an atmospheric pressure. Decomposition of tetrafluorocarbon in dielectric barrier discharge. When it is actuated by a coannual dielectricbarrierdischarge plasma actuator, it undergoes a series of remarkable changes. Ozone synthesis in air dielectric barrier discharge dbd was studied with an emphasis on the effects of power sources and humidity. Dielectric barrier discharges dbds are good candidates since the transition of the glow or filamentary discharge to an arc is prevented by the dielectric barrier. On initiation of dbd plasma a starting vortex is created, which rolls up to form a coherent structure. The effect of o2 contents, n2contents, and total flow rate on.
Introduction traditional approaches for active flow separation control using dielectric barrier discharge dbd. The flow field around an asymmetric dielectricbarrierdischarge dbd plasma actuator in quiescent air is studied using particle image velocimetry piv and smokeflow visualization. Role of surface vs gas phase dynamics a interaction between filaments b diffuse discharges v. Water treatment by dielectric barrier discharge tube with vapor flow t. Moreover, dbd treatment acidifies wound fluids and leads to an accumulation of hydrogen peroxide h 2 o 2 and nitric oxide products, such as nitrite and nitrate, in the wound. Modeling of fluid dynamics and heat transfer induced by. 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. In this work, the effect of the parasitic capacitor on the electrical characteristics of the capacitively coupled atmospheric pressure plasma was investigated. Generally discharge pulse duration in the range of a few tens to a few hundreds. Characteristics of dielectric barrier discharge reactor for material. The flow field around an asymmetric dielectric barrier discharge dbd plasma actuator in quiescent air is studied using particle image velocimetry piv and smokeflow visualization. An electric discharge is the release and transmission of electricity in an applied electric field through a medium such as a gas. Flow generation in a narrow space using dielectric barrier.
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. Numerical investigation on the effects of dielectric barrier on a. Dielectric barrier discharges iopscience institute of physics. 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. This model simulates electrical breakdown in an atmospheric pressure gas. Nonthermal dielectric barrier discharge dbd effects on. Pdf on jan 1, 2000, u kogelschatz and others published fundamentals and applications of dielectricbarrier discharges find, read and cite all the research. 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. Sterilization using dielectric barrier discharge at.
Tiny pulses of current are used to detect ionizing radiation in a geigermuller tube. Effects of dielectric barrier discharge plasma treatments. The dielectric barrier discharge dbd has a number of industrial applications. Atmospheric pressure plasma of dielectric barrier discharges in. Formation of side discharges in dielectric barrier discharge. In the present work, a modeling framework is presented to study the evolution and interaction of such athermal nonequilibrium plasma discharges in conjunction with low mach. The industrial application of the dielectric barrier discharge dbd has a long tradition. Limiting the migration of bisphenol a from polycarbonate. Modeling of dielectric barrier discharge and resulting fluid dynamics balaji jayaraman 1, siddharth thakur 2 and wei shyy 3 dept.
A high voltage, microprocessor controlled, research system used by many universities, institutes, and industry members to generate and study dielectric barrier discharges. Co2 dissociation using the versatile atmospheric dielectric. History, discharge physics, and plasma chemistry of dielectricbarrier discharges and their. Electric wind produced by a surface dielectric barrier. Diagnostics of dielectric barrier discharge at atmospheric pressure by laser spectroscopic measurements keiichiro urabe, joonyoung choi, yosuke ito, kunihide tachibana, and osamu sakai department of electronic science and engineering, kyoto university, kyoto, japan. Dielectric barrier discharges dbds in oxygen and air are well established for the production of large quantities of ozone and are more recently being applied to a wider range of plasmachemical processes. Others mechanical devices such as vortex generator, slats and flaps produce noises and.
Plasmapolymerization of hmdso using an atmospheric. Multilayer ceramic technologies for dielectric barrier discharge plasma. Pattern formation and selforganization are fascinating phenomena found widely in nature and in laboratory environment such as dielectric barrier discharge dbd. Dielectricbarrierdischarge plasmaassisted hydrogen. Dielectric barrier discharge dbd plasmas and their. Experimental investigation of the dielectric barrier discharge using. Dielectric barrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. Jan 02, 2007 glow discharge at atmospheric pressure using a dielectric barrier discharge can induce fluid flow, and can be used for active control of aerodynamics and heat transfer. Single dielectric barrier discharge sdbd plasma actuators have gained a great deal of worldwide interest for flowcontrol applications. Pdf dielectricbarrier discharges silent discharges are used on a large industrial scale. Modeling of dielectric barrier discharge and resulting fluid.
Mirabellia1, renato zenobia aeth zurich, department of chemistry and applied biosciences, ch8093 zurich, switzerland corresponding author. Dielectric barrier discharge dbd is the electrical discharge between two electrodes separated by an insulating dielectric barrier. In this paper, uniform argon glow discharge at atmospheric pressure in a diffuse mode driven by a 300w radiofrequency. In this study, dielectric barrier discharge dbd was used to generate ionic wind. Dielectricbarrier discharges dbds, also referred to as barrier discharges or silent discharges have for a long time been exclusively related to ozone generation. Degradation of glucocorticoids in water by dielectric. However, in the case of dielectric barrier discharges dbds, the measured current and voltage waveforms are influenced by the discharge. Dielectric barrier discharges dbds are selfsustaining electrical discharges in electrode configurations containing an insulating material in the discharge path. From the point of view of the excitation capability and of the generation of active species this behavior of the ar plasma represents an advantage, but the plasma can be thermally aggressive with the treated materials. Mar 01, 2003 history, discharge physics, and plasma chemistry of dielectric barrier discharges and their applications are discussed in detail. Polycyclic aromatic hydrocarbons in dielectric barrier discharge sources anna katarina hubaa1, mario f. Simulation tool for dielectric barrier discharge plasma actuators at atmospheric and subatmospheric pressures sbir phase i final report alexandre likhanskii techx corporation boulder, colorado 80303 1.
Microplasma is an economical and ecological alternative for conventional technologies used for nox removal, indoor air cleaning, surface. Pdf fundamentals and applications of dielectricbarrier discharges. The surface dielectric barrier discharge has been experimentally investigated by electrical and optical diagnostics, electrohydrodynamic force measurements and produced electric wind characterization from timeaveraged and timeresolved measurements. A compact power supply for dielectric barrier discharge devices. Progress on plasma sources and on the understanding of regimes and single filaments. Electrical diagnostics of dielectric barrier discharges. Our dbds used a symmetric triangular high voltage waveform to generate plasma in atmospheric pressure air. Pdf inducing a dielectric barrier discharge plasma. Electric w ind produced by a surface dielectric barrier discharge operating over a wide range of relative humidity n. Discharge analysis and electrical modeling for the development of. Discharge sourcessupporting information polycyclic. However, the lack of understanding of some of its fundamental issues, such as the stochastic behaviors, is still a challenge for dbd researchers. Dielectric barrier discharge plasma can be used to reduce cod and. Surface dielectric barrier discharge plasma actuators.
They combine the advantages of nonequilibrium plasma. Inducing a dielectric barrier discharge plasma within a package. Nishiyama2 1formly graduate school of engineering, tohoku university, japan 2institute of fluid science, tohoku university, japan abstractnonthermal plasma technologies with water vapor have been developed for a wide range of applications. A compact power supply for dielectric barrier discharge devices by brad allen bsce, university of new brunswick, 2016 a thesis submitted in partial fulfillment of the requirements for the degree of masters of science in engineering in the graduate academic unit of the department of electrical and computer engineering. A prominent feature is the simple scalability from small laboratory reactors to large industrial installations with megawatt input powers. Dielectric barrier discharge, polycarbonate, bisphenole a, surface treatment. Electrical and spectroscopic investigations on atmospheric pressure dielectric barrier discharge plasma anand kumar srivastava birla institute of technology, mesra jaipur campus, jaipur, rajasthan, india 302017 e.
Measurements and simulations of surface dielectric barrier. The nanosecond pulsed dielectric barrier discharge nsdbd in high pressure air produces nonequilibrium plasma. Dielectric barrier discharge in analytical spectrometry. Narrow space was form by two of such the electrodes facing to each other with distances between 0. Applications of dielectricbarrier discharges most industrial dbd applications utilize filamentary discharges 3, 9, 24. Asymmetric surface dielectric barrier discharges dbds have shown promise for use as aerodynamic actuators which can prevent. Nov 22, 2012 in this paper, uniform argon glow discharge at atmospheric pressure in a diffuse mode driven by a 300w radiofrequency. Moreau 3 university of poitiers, laboratoire detudes aerodynamiques umr cnrs 6609, boulevard marie et pierre curie, 86962 chasseneuil, france. After the thermal plasma reaches a local equilibrium state, the electron temperature is. This chapter provides a thorough overview of electrical diagnostics for dbd, with a specific focus on chargevoltage measurement techniques. Dielectric barrier discharges silent discharges are used on a large industrial scale. Processing of liquid waste oil palm can be done by using a dielectric barrier discharge plasma with configuration spiral screw penalty and obtained the best results with a voltage of 4 kv and discharge argon 4 lmin is 60 minutes, with cod into 115. Dielectric barrier discharge properties and applications.
History, discharge physics, and plasma chemistry of dielectric barrier discharges and their applications are discussed in detail. This method combines tlc with dielectric barrier discharge ionization dbdi, which produces stable lowtemperature plasma. The relaxation kinetics following dissociation are dominated by atomic oxygen. As an introduction of this type of gas discharge, the main plasmaphysical features of sinusoidaldriven dbds transient, nonthermal plasmas at atmospheric pressure are described. Dielectric barrier discharge dbd is a typical nonequilibrium high pressure ac gas discharge. 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. Dielectricbarrier discharges silent discharges are used on a large industrial scale. Presented at joint ictpiaea school on atomic processes in plasmas.
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. A study of the performance of dielectric barrier discharge. Limiting the migration of bisphenol a from polycarbonate using dielectric barrier discharge dielectric barrier discharge, polycarbonate, bisphenole a, surface. Applications of dielectric barrier discharges ieee. Degradation of glucocorticoids gcs, including fluocinolone acetonide fa, triamcinolone acetonide ta and clobetasol propionate cp, in water by dielectric barrier discharge dbd and dbd combined with calcium peroxide treatment dbdcao 2 were investigated. Dielectric barrier discharge, ozone generation, and their. The decomposition of cf4 in dielectric barrier discharge at atmospheric pressure was examined. Our study was mainly focused on electrical characterization of micro discharges produced by dbd. Higher reaction efficiency is achieved when more charges are transported. Dielectric barrier discharge dbd devices generate cap containing active and reactive species, which have antibacterial effects but also may affect treated tissuecells. Powder filled ceramic electrodes with internal metal wire. Dielectric barrier discharge dbd in air has been the subject of many research studies 1, 2, 3. This physical phenomenon is nowadays well known, and. These methods are often underutilised in the existing scientific literature, despite the fact that they can provide useful.
In this simple model the problem is reduced to 1d by assuming the dielectric gap is much smaller than the diameter of the plates. Sterilization using dielectric barrier discharge at atmospheric pressure m. Simulation tool for dielectric barrier discharge plasma. Dielectricbarrier discharges dbds are characterized by the presence of at least one insulating layer in contact with the discharge between two planar or. Discharge sourcessupporting information polycyclic aromatic. A compact power supply for dielectric barrier discharge. Limiting the migration of bisphenol a from polycarbonate using dielectric barrier discharge emad a. Focusing on the electrode configuration of the multineedletocylinder mc system, i. A new method for onspot detection and characterization of organic compounds resolved on thin layer chromatography tlc plates has been proposed. Microbubble dielectric barrier discharges dbd plasma reactor figure1shows a schematic of the plasma source used throughout this study. Major results are going to be presented in this paper. Dissociation of co2 is investigated in an atmospheric pressure dielectric barrier discharge dbd with a simple, zero dimensional 0d chemical model and through experiment.
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