Results 121 to 130 of about 6,359 (169)

Efficiency enhancement of a dielectric barrier plasma discharge by dielectric barrier optimization

Review of Scientific Instruments, 2010
The characteristic feature of a dielectric barrier discharge (DBD) is the dielectric barrier placed between the electrodes. In the present work, the influence of the dielectric barrier to the properties of a DBD in air was investigated. Spectroscopic characterization of the DBD and electrical measurements were carried out.
Annette, Meiners, Michael, Leck, Bernd, Abel   +2 more
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Honeycomb hexagon pattern in dielectric barrier discharge

Physical Review E, 2007
We report on a honeycomb hexagon pattern in dielectric barrier discharge. It bifurcates from a square pattern as the applied voltage is increased. A phase diagram of the pattern types as a function of the gas component and applied voltage is presented.
Lifang, Dong, Weili, Liu, Hongfang, Wang, Yafeng, He, Weili, Fan, Ruiling, Gao   +5 more
openaire   +2 more sources

Square superlattice pattern in dielectric barrier discharge

Physical Review E, 2006
We report the observation of a square superlattice pattern in a dielectric barrier discharge system. The correlation measurements indicate that the square superlattice pattern is an interleaving of two different transient square sublattices. The interplay between the charge pattern and the discharge filament pattern is discussed.
Lifang, Dong, Weili, Fan, Yafeng, He, Fucheng, Liu, Shufeng, Li, Ruiling, Gao, Long, Wang   +6 more
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Characteristics of dielectric barrier discharge

IEEE Conference Record - Abstracts. 2002 IEEE International Conference on Plasma Science (Cat. No.02CH37340), 2003
Summary form only given. The frequency characteristics of dielectric barrier discharge (DBD) have been studied for optimizing discharge efficiency. The experiment was performed with various experiment conditions to find the relation between the discharge frequency and power consumption.
T. Lho, M.J. Chung, B.K. Park, Y.H. Kim, G.H. Kim   +4 more
openaire   +1 more source

Portable Dielectric Barrier Discharge-Atomic Emission Spectrometer

Analytical Chemistry, 2017
This paper describes the first demonstration of a portable dielectric barrier discharge-atomic emission spectrometer (DBD-AES). The instrument primarily consists of a miniature electro-thermal vaporizer (ETV), DBD, and optical signal acquisition units.
Na Li, Zhongchen Wu, Yingying Wang, Jing Zhang, Xiangnan Zhang, Hengnan Zhang, Wenhai Wu, Jing Gao, Jie Jiang   +8 more
openaire   +2 more sources

Dielectric Barrier Discharge Ionization of Perfluorinated Compounds

Analytical Chemistry, 2015
The soft ionization ability based on plasma-jet protonation of molecules initiated by a dielectric barrier discharge ionization source (DBDI) is certainly an interesting application for analytical chemistry. Since the change of an applied sinusoidal voltage may lead to different discharge modes the applied discharge was powered by a square wave ...
Alexander, Schütz, Sebastian, Brandt, Sascha, Liedtke, Daniel, Foest, Ulrich, Marggraf, Joachim, Franzke   +5 more
openaire   +2 more sources

Dielectric barrier discharge pumped N_2 laser

Applied Optics, 1994
A pulsed transverse dielectric barrier discharge has been used to excite N(2)/He (1:10) gas mixtures. Laser action in 337.1 nm was attained at pressures between 400 mbars and 1.3 bars. The maximum pulse energy was 1.4 µJ, with an efficiency of 0.002% and a pulse width of 8 ns.
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Experimental determination of dielectric barrier discharge capacitance

Review of Scientific Instruments, 2012
The determination of electrical parameters (such as instantaneous power, transferred charge, and gas gap voltage) in dielectric barrier discharge (DBD) reactors relies on estimates of key capacitance values. In the classic large-scale sinusoidal-voltage driven DBD, also known as silent or ozonizer discharge, capacitance values can be determined from ...
A V, Pipa, T, Hoder, J, Koskulics, M, Schmidt, R, Brandenburg   +4 more
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Hexagonal superlattice state in dielectric barrier discharge

Physical Review E, 2006
We report on the observation of a hexagonal superlattice state (HSS) in dielectric barrier discharge in air/argon near atmospheric pressure. It bifurcates directly from the hexagonal state by increasing the applied voltage. The correlation measurements indicate that the HSS is an interleaving of three different transient sublattices.
Lifang, Dong, Ruiling, Gao, Yafeng, He, Weili, Fan, Weili, Liu   +4 more
openaire   +2 more sources

Soft Argon–Propane Dielectric Barrier Discharge Ionization

Analytical Chemistry, 2018
Dielectric barrier discharges (DBDs) have been used as soft ionization sources (DBDI) for organic mass spectrometry (DBDI-MS) for approximately ten years. Helium-based DBDI is often used because of its good ionization efficiency, low ignition voltage, and homogeneous plasma conditions. Argon needs much higher ignition voltages than helium when the same
Alexander Schütz, Felipe J. Lara-Ortega, Felix David Klute, Sebastian Brandt, Michael Schilling, Antje Michels, Damir Veza, Vlasta Horvatic, Juan F. García-Reyes, Joachim Franzke   +9 more
openaire   +4 more sources