介质阻挡放电中等离子体子弹的速度

doi:10.3969/j.issn.1000-1565.2013.02.007

摘要/Abstract

摘要： 利用针板介质阻挡放电装置,采用光学方法对大气压长间隙空气放电的等离子体羽特性和等离子体子弹速度进行了研究.结果表明:改变外加电压等离子体羽长度会发生变化.利用光电倍增管采集光信号对等离子体子弹速度进行了研究,发现等离子体子弹的速度与针板间距、外加电压以及针尖直径有关.利用光谱仪采集放电的发射光谱,发现放电等离子体中存在OH自由基、氧原子等多种活性粒子,表明该放电在生物医疗领域具有重要的应用价值.

关键词: 介质阻挡放电, 长间隙放电, 等离子体羽, 等离子体子弹

中图分类号:

李雪辰,赵欢欢,刘润甫,常媛媛. 介质阻挡放电中等离子体子弹的速度[J]. 河北大学学报(自然科学版), 2013, 33(2): 142-147.

LI Xuechen,ZHAO Huanhuan,LIU Runfu,CHANG Yuanyuan. On the velocity of plasma bullet generated in a dielectric barrier discharge[J]. Journal of Hebei University (Natural Science Edition), 2013, 33(2): 142-147.

参考文献

[1] Jae Beom Park, Se Jin Kyung, Geun Young Yeom. Plasma etching of SiO_(2) using remote-type pin-to-plate dielectric barrier discharge [J]. Journal of Applied Physics 2008, 8(8).
[2] Stoffels E., Flikweert AJ., Stoffels WW., Kroesen GMW.. Plasma needle: a non-destructive atmospheric plasma source for fine surface treatment of (bio)materials [J]. Plasma Sources Science & Technology 2002, 4(4).
[3] Dynamics of ozone and OH radicals generated by pulsed corona discharge in humid-air flow reactor measured by laser spectroscopy [J]. Journal of Applied Physics 2003, 10(10).
[4] Sunka P.. Pulse electrical discharges in water and their applications [J]. Physics of plasmas 2001, 5 Pt.2(5 Pt.2).
[5] X. Lu, Z. Xiong, F. Zhao, Y. Xian, Q. Xiong, W. Gong, C. Zou, Z. Jiang, Y. Pan. A simple atmospheric pressure room-temperature air plasma needle device for biomedical applications [J]. Applied physics letters 2009, 18(18).
[6] Peng Sun, Yi Sun, Haiyan Wu, Weidong Zhu, Jose L. Lopez, Wei Liu, Jue Zhang, Ruoyu Li, Jing Fang. Atmospheric pressure cold plasma as an antifungal therapy [J]. Applied physics letters 2011, 2(2).
[7] DHALI S K, SARDJA I. Dielectric-barrier discharge for processing of SO2/NOx [J]. Journal of Applied Physics 1991, 69(09).
[8] Choi JH, Lee TI, Han I, Baik HK, Song KM, Lim YS, Lee ES. Investigation of the transition between glow and streamer discharges in atmospheric air [J]. Plasma Sources Science & Technology 2006, 3(3).
[9] Chu, H.-Y., Huang, B.-S.. Gap-dependent transitions of atmospheric microplasma in open air [J]. Physics of plasmas 2011, 4(4).
[10] Machala Z., Jedlovsky I., Martisovits V.. DC Discharges in Atmospheric Air and Their Transitions [J]. IEEE Transactions on Plasma Science 2008, 4(4).
[11] Sun, L., Huang, X., Zhang, J., Shi, J.J.. Discharge dynamics of pin-to-plate dielectric barrier discharge at atmospheric pressure [J]. Physics of plasmas 2010, 11(11).
[12] Qi, B., Huang, J., Qiu, Y., Liu, Y., Liu, L.. Diagnosis of the ion density in two discharge modes generated in atmospheric pressure argon with pin-to-plate dielectric barrier geometry [J]. Physics of plasmas 2011, 8(8).
[13] LI Xuechen, NIU Dongying, JIA Pengying, ZHAO Na, YUAN Ning. Investigation on the Micro-Discharge Characteristics of Dielectric Barrier Discharge in a Needle-Plate Geometry [J]. 2011.
[14] Lu X, Laroussi M. Dynamics of an atmospheric pressure plasma plume generated by submicrosecond voltage pulses [J]. Journal of Applied Physics 2006, 6(6).
[15] Kim, S.J., Chung, T.H., Bae, S.H.. Striation and plasma bullet propagation in an atmospheric pressure plasma jet [J]. Physics of plasmas 2010, 5 Pt.1(5 Pt.1).
[16] Li, X., Yuan, N., Jia, P., Chen, J.. A plasma needle for generating homogeneous discharge in atmospheric pressure air [J]. Physics of plasmas 2010, 9(9).
[17] 李雪辰, 袁宁, 贾鹏英, 常媛媛, 嵇亚飞. 大气压等离子体针产生空气均匀放电特性研究 [J]. 物理学报 2011.
[18] SANDS B L, GANGULY B N, TACHIBANA K. A streamer-like atmospheric pressure plasma jet [J]. Applied Physics Letters 2008, 92(15).