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Proceedings Paper

Image analyzing and processing of the patterns in dielectric barrier discharge
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Paper Abstract

The influence of different water temperatures on temporal behavior of dielectric barrier discharge in argon at atmospheric pressure is studied by using an experimental device with water electrodes. It is found that, as the applied voltage increasing, the evolvement of discharge with different water temperatures shows similar behavior spatially if argon concentrations are same. The corresponding Fourier transformation is obtained by processing patterns images with computer program based on the Matlab software. The discharge duration of the first current pulse in half cycle of different voltage polarity is same in discharge if the two electrodes temperatures are same. But it becomes different if the two electrodes have different temperatures. The discharge moment is always ahead when the low temperature electrode is an instantaneous cathode. The analysis shows that the water temperature affects the accumulation of wall charges, resulting in the differences of temporal behavior of discharge.

Paper Details

Date Published: 29 November 2007
PDF: 8 pages
Proc. SPIE 6833, Electronic Imaging and Multimedia Technology V, 68332S (29 November 2007); doi: 10.1117/12.756957
Show Author Affiliations
Hongfang Wang, Hebei Univ. (China)
Lifang Dong, Hebei Univ. (China)
Weili Liu, Hebei Univ. (China)
Yafeng He, Hebei Univ. (China)

Published in SPIE Proceedings Vol. 6833:
Electronic Imaging and Multimedia Technology V
Liwei Zhou; Chung-Sheng Li; Minerva M. Yeung, Editor(s)

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