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Two-dimensional simulation of atmospheric pressure cold plasma jets in a needle-plane electrode configuration

Liu Fu-Cheng Yan Wen Wang De-Zhen

Two-dimensional simulation of atmospheric pressure cold plasma jets in a needle-plane electrode configuration

Liu Fu-Cheng, Yan Wen, Wang De-Zhen
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  • Abstract views:  740
  • PDF Downloads:  448
  • Cited By: 0
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  • Received Date:  27 March 2013
  • Accepted Date:  27 April 2013
  • Published Online:  05 September 2013

Two-dimensional simulation of atmospheric pressure cold plasma jets in a needle-plane electrode configuration

  • 1. School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China;
  • 2. College of Physics Science and Technology, Hebei University, Baoding 071002, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 10275010), the Natural Science Foundation of Hebei Province, China (Grant Nos. A2011201006, A2012201015), and the Natural Science Foundation of Hebei University, China (Grant No. 2010Q30).

Abstract: The propagation mechanisms of atmospheric pressure cold plasma jets have recently attracted much attention. In this paper, by using a self-consistent two-dimensional plasma fluid model, we have investigated the propagation problems in the cold atmospheric pressure helium plasma jets that are surrounded by helium itself and thin dielectric tube, respectively. The spatio-temporal distributions of electron density, ionization rate, electrical field, and electron temperature were obtained. It is found that both the radius and the permittivity of dielectric tube have an impact on the discharge characteristics. A new method of improving the electron density and plasma jet size was also proposed.

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