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Spatial distributions of the intensity of luminescence and the vibrational temperature of single micro-discharge channel in air dielectric barrier discharge

Dong Li-Fang Yang Li Li Yong-Hui Zhang Yan-Zhao Yue Han

Spatial distributions of the intensity of luminescence and the vibrational temperature of single micro-discharge channel in air dielectric barrier discharge

Dong Li-Fang, Yang Li, Li Yong-Hui, Zhang Yan-Zhao, Yue Han
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  • Abstract views:  3116
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  • Received Date:  28 September 2008
  • Accepted Date:  24 February 2009
  • Published Online:  20 December 2009

Spatial distributions of the intensity of luminescence and the vibrational temperature of single micro-discharge channel in air dielectric barrier discharge

  • 1. 河北大学物理科学与技术学院,保定 071002

Abstract: A stable micro-discharge channel(filament)in air discharge is obtained by discharge cleaning method in a dielectric barrier discharge system with two water electrodes. The distributions of intensity of luminescence and the vibrational temperature of a single micro-discharge filament are measured from instantaneous anode to instantaneous cathode. It is found that the emission intensity of discharge filament presents a distribution like a goblet with base locating at instantaneous cathode in each half period of the applied voltage. The vibrational temperature reaches the maximum at the middle of gap of the two parallel electrodes and is the minimum at the instantaneous anode.

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