Measurement and analysis of the expansion characteristics of pulsed plasma jet in air

被引：0
|
作者：
Zhao X.-W. [1 ]
Yu Y.-G. [1 ]
Mang S.-S. [2 ]
机构：
[1] School of Energy and Power Engineering, NUST, Nanjing
[2] School of Science, NUST, Nanjing
来源：
Yu, Yong-Gang (yyg801@njust.edu.cn) | 1600年 / Institute of Chemical Materials, China Academy of Engineering Physics卷 / 24期
关键词：
Electrothermal chemical propulsion; Extended properties; Plasma jet; Polyethylene capillary;
D O I：
10.11943/j.issn.1006-9941.2016.07.012
中图分类号：
学科分类号：
摘要：
To analyze the expansion characteristics of pulsed plasma jet in air, the expansion process of pulsed plasma jet generated by a plasma generator was studied by a piezoelectric pressure sensor and a digital high-speed video system. The relation of change in the extended volume, axial displacement and radial displacement of pulsed plasma jet in atmosphere with time under different discharge voltage and jet breaking pressure was treated and obtained by Photoshop software. Results show that when the pulsed plasma jet is expanded, its shape is gradually extended from the initial shape like ellipsoid to a conical head and an elongated cylindrical tail. The axial displacement of the jet is always larger than the radial displacement. Extended volume reveals a single peak distribution with time. Increasing the discharge voltage and jet breaking pressure can improve the expansion ability of the jet, and the larger the discharge voltage, the more violent the turbulent mixing in the plasma jet expansion. © 2016, Editorial Board of Chinese Chinese Journal of Energetic Materials. All right reserved.
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页码：692 / 697
页数：5
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共 17 条
  • [1] Wang F., He L.-M., Cao N.-C., Et al., Ignition characteristic of direct current source plasma ignite, High Voltage Engineering, 36, 10, pp. 2537-2541, (2010)
  • [2] Li H.-Z., Research progress of electrothermal chemical emission technology, Journal of Nanjing University of Science and Technology, 27, 5, pp. 449-465, (2003)
  • [3] Zhang M.-A., Li J., Gong H.-G., Et al., Experiment analysis for the matching between ignition of plasma and construction of projectile charge, Gun Launch & Control Journal, 1, 1, pp. 16-19, (2004)
  • [4] Pan W.-X., Meng X., Li T., Et al., Experimental observations on the stability and the 3-D characteristics of laminar/turbulent plasma jets, Journal of Engineering Thermophysics, 29, 1, pp. 139-141, (2008)
  • [5] Taylor M.J., Measurement of the properties of plasma from ETC capillary plasma generators, IEEE Transactions on Magnetics, 37, 1, pp. 194-198, (2001)
  • [6] Liu D.-Y., Guo H.-B., Yu Y.-G., Et al., Investigation on pressure properties of capillary ablation plasma and jet, Journal of Nanjing University of Science and Technology(Natural Science), 33, 3, pp. 348-351, (2009)
  • [7] Chang L.M., Howard S.L., Electrothermal-chemical plasma ignition of gun-propelling charges: the effect of pulse length, (2007)
  • [8] Xia W.-S., Zhang H.-O., Wang G.-L., Heat transfer characteristics of plasma spraying, Journal of Huazhong University of Science and Technology (Natural Science Edition), 38, 3, pp. 1-3, (2010)
  • [9] Sharikov I.V., Surzhikov S.T., Experimental study of unsteady supersonic underexpanded ablative plasma jet dynamics, (2005)
  • [10] Qi L.-F., Lin Q.-H., Guan L., Et al., Primary research of conductivity model of ablation-controlled arc plasma, Journal of Ballistics, 21, 1, pp. 99-102, (2009)
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