Generation of large-area and glow-like surface discharge in atmospheric pressure air

A large-area (6 cm × 6 cm) air surface dielectric barrier discharge has been generated at atmospheric pressure by using well-aligned and micron-sized dielectric tubes with tungsten wire electrodes. Intensified CCD images with an exposure time of 5 ns show that the uniform surface air discharge can b...

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Bibliographic Details
Published in:Physics of plasmas 2016-08, Vol.23 (8)
Main Authors: Song, Ying, Xia, Yang, Bi, Zhenhua, Wang, Xueyang, Qi, Zhihua, Ji, Longfei, Li, Bin, Liu, Dongping
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ATMOSPHERIC PRESSURE
CHARGE-COUPLED DEVICES
CONFIGURATION
Dielectric barrier discharge
DIELECTRIC MATERIALS
Dielectrics
ELECTRIC FIELDS
ELECTRIC POTENTIAL
Electric wire
ELECTRODES
Microelectrodes
Optical measurement
Plasma
Plasma physics
PULSES
SIMULATION
SURFACE AIR
SURFACES
TUBES
TUNGSTEN
WIRES
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Summary:A large-area (6 cm × 6 cm) air surface dielectric barrier discharge has been generated at atmospheric pressure by using well-aligned and micron-sized dielectric tubes with tungsten wire electrodes. Intensified CCD images with an exposure time of 5 ns show that the uniform surface air discharge can be generated during the rising and falling time of pulsed DC voltage. Current and voltage and optical measurements confirm the formation of glow-like air discharges on the surface of micron-sized dielectric tubes. Simulation results indicate that the microelectrode configuration contributes to the formation of strong surface electric field and plays an important role in the generation of uniform surface air discharge.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4959586