Characteristics of radio frequency atmospheric pressure glow discharges with different electrode configurations

被引:1
作者
Li, Heping [1 ]
Wang, Zhibin [1 ]
Le, Peisi [1 ]
Ge, Nan [1 ]
Bao, Chengyu [1 ]
机构
[1] Department of Engineering Physics, Tsinghua University
来源
Gaodianya Jishu/High Voltage Engineering | 2012年 / 38卷 / 07期
关键词
Atmospheric glow discharge; Electrode configuration; Grayscale value; Image processing; Numerical simulation; Plasma; Radio frequency discharge;
D O I
10.3969/j.issn.1003-6520.2012.07.008
中图分类号
学科分类号
摘要
In order to investigate the discharge characteristics of the plasma generators with different geometrical configurations, a one-dimensional fluid model was employed to simulate the discharge features of the planar-type and co-axial-type radio-frequency atmospheric-pressure glow discharge (RF APGD) plasma generators. And typical discharge images are analyzed by using the visible image processing technique. The modeling results show that the parameters of the plasmas (e.g., the distributions of the electron temperature and the species number densities, etc.) produced by the planar-type generator are symmetric about for mid-plane between the electrodes, while the asymmetric features become significant with the co-axial-type generator. The spatial distributions of the plasma parameters using the different types of plasma generators are qualitatively consistent with the corresponding distributions of the grayscale values of the discharge images. The analysis of the chemical reactions shows that the spatial distributions of the plasma parameters are dependent on the electric field distributions resulting from the different electrode configurations of the plasma generators.
引用
收藏
页码:1588 / 1594
页数:6
相关论文
共 28 条
  • [1] Deng X.T., Shi J.J., Chen H.L., Et al., Protein destruction by atmospheric pressure glow discharges, Applied Physics Letters, 90, 1, (2007)
  • [2] Shashurin A., Keidar M., Bronnikov S., Et al., Living tissue under treatment of cold plasma atmospheric jet, Applied Physics Letter, 93, 18, (2008)
  • [3] Lu X., Plasma jets and their biomedical application, High Voltage Engineering, 37, 6, pp. 1416-1425, (2011)
  • [4] Zheng P., Wang J., Hu Z., Et al., Surface modification of polyimide film with atmospheric pressure microplasma jet, High Voltage Engineering, 36, 6, pp. 1542-1546, (2010)
  • [5] Koinuma H., Ohkubo H., Hashimoto T., Et al., Development and application of a microbeam plasma generator, Applied Physics Letters, 60, 7, pp. 816-817, (1992)
  • [6] Schutze A., Jeong J.Y., Babayan S.E., Et al., The atmospheric -pressure plasma jet: A review and comparison to other plasma sources, IEEE Transactions on Plasma Science, 26, 6, pp. 1685-1694, (1998)
  • [7] Sun W., Experimental studies on the characteristics and biological effects of radio-frequency, atmospheric-pressure glow discharge plasmas, (2007)
  • [8] Li G., Experimental studies on the characteristics of radio-frequency, atmospheric-pressure non-equilibrium plasmas and the applications for microbe gene mutation breeding, (2009)
  • [9] Wang L., Studies on the mechanisma and applications of the atmospheric room temperature plasmas acting on the microbes, (2009)
  • [10] Wang S., Experimental studies on the characteristics of helium-oxygen radio-frequency, atmospheric-pressure glow discharges and the applications of plasma-based sterilization, (2009)