Results 181 to 190 of about 5,582 (217)
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Deposition of fluorocarbon polymer films in a dielectric barrier discharge (DBD)
Surface and Coatings Technology, 2003Abstract Investigations of an intermittent dielectric barrier discharge in fluorocarbon mixtures at atmospheric pressure are reported. Plasma diagnostics were performed by FTIR-absorption spectroscopy as well as by emission/absorption spectroscopy in the UV/VIS range. Deposited polymer films were investigated by FTIR absorption spectroscopy, XPS, SEM
I.P Vinogradov, A Dinkelmann, A Lunk
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Characteristics of Atmospheric Dielectric Barrier Discharge (DBD) Treated Water
Fusion Science and Technology, 2009Water, which is treated in an dielectric barrier discharge (DBD) apparatus at atmospheric pressure, has some characteristics similar to ozone water. Since a ceramic electrode is used as the upper electrode and the water electrode is used as the lower electrode in the DBD system, the plasma discharge is directly in contact with the water surface.
Y. H. Kim, T. Lho, S. M. Yoo, B. J. Lee
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The Mutual Conversion of CO2 and CO in Dielectric Barrier Discharge (DBD)
Plasma Chemistry and Plasma Processing, 2003Non-equilibrium plasma, which was engendered by dielectric barrier discharge (DBD) was used to analyze the mutual conversion between CO2 and CO. The results showed that the conversion ratio of CO increased monotonously with the increasing voltage. But CO2 was not so. Its conversion ratio reached maximum when the voltage was 3600 V in Ar system. It also
Guangyun Zheng +4 more
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Acoustic Testing of the dielectric barrier discharge (DBD) plasma actuator
43rd AIAA Aerospace Sciences Meeting and Exhibit, 2005The dielectric barrier discharge (DBD) plasma actuator has been shown to be effective for flow control. Much remains unanswered, however, as to how the actuator couples momentum into air. A better understanding of the coupling mechanism is crucial to determining the performance limitation of the actuator and the breadth of applications to which it can ...
Corrie Baird +3 more
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Discharge analysis and electrical modeling of a coaxial dielectric barrier discharge (DBD) lamp
2008 IEEE 35th International Conference on Plasma Science, 2008Dielectric barrier discharges (DBDs) occur by the presence of at least one insulating layer in contact with the discharge between two planar or cylindrical electrodes connected to an AC or pulse power supply. Dielectric barrier discharge (DBD) consists of filamentary micro-discharges under nonequilibrium, atmospheric pressure plasma condition.
U.N. Pal +5 more
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Dielectric Barrier Discharges (DBD) in Gases at Atmospheric Pressure: Effect of Charge Trapping
2005 12th International Symposium on Electrets, 2006We present theoretical modeling of atmospheric pressure discharges in air and helium where one of the electrodes is covered by a dielectric (dielectric barrier discharge, DBD), as well as ultra-high speed imaging studies for the case of He. It is found that charge on the dielectric barrier surface strongly influences the characteristics of individual ...
M.R. Wertheimer, I. Radu, R. Bartnikas
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An experimental study of atmospheric pressure dielectric barrier discharge (DBD) in argon
AIP Conference Proceedings, 2014In this paper, experimental results on atmospheric pressure argon dielectric barrier discharge (DBD) have been presented. The discharge was generated using a high voltage (0 to 20 kV) power supply operating at frequency of 10 to 30 kHz and was studied by means of electrical and optical measurements.
D. P. Subedi +3 more
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Dielectric Barrier Discharge (DBD) dynamic modeling for high voltage insulation
2011 Electrical Insulation Conference (EIC)., 2011One of the best approaches in order to significantly increase the dielectric strength of an air-insulated system is the creation of an "active" insulation by means of covering some of or all metal conductors with thin layers of solid dielectric (barriers) known as Dielectric Barrier Discharge (DBD). Charge accumulation on the surfaces of the dielectric
Mona Ghassemi +3 more
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Chemistry Letters, 2004
Abstract Ca0.7Sr0.3TiO3 was sintered adding Li2Si2O5, and used as a dielectric barrier of DBD to decompose CO2 for the first time. DBD plasma was successively generated using Ca0.7Sr0.3TiO3. CO2 was converted to CO and O2 by DBD plasma without catalyst and reducing substance.
Ruixing Li +4 more
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Abstract Ca0.7Sr0.3TiO3 was sintered adding Li2Si2O5, and used as a dielectric barrier of DBD to decompose CO2 for the first time. DBD plasma was successively generated using Ca0.7Sr0.3TiO3. CO2 was converted to CO and O2 by DBD plasma without catalyst and reducing substance.
Ruixing Li +4 more
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Development of a dielectric barrier discharge (DBD) cryo-microplasma: generation and diagnostics
Plasma Sources Science and Technology, 2008We developed a cryo-microplasma, which can continuously control gas temperature below room temperature and below the freezing point of water. To develop the cryo-microplasma, we first developed an atmospheric-pressure low-temperature microplasma that can suppress the increase in its gas temperature.
Daisuke Ishihara +5 more
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