双气隙介质阻挡放电中3种C4v对称性的斑图及其时空相关性

doi:10.3969/j.issn.1000-1565.2024.01.004

摘要/Abstract

摘要： 斑图是气体放电系统中规律性的结构,一般通过放电丝之间一系列复杂的相互作用形成.本文采用双气隙氩气介质阻挡放电装置,获得了有C_4v对称性的暗点斑图、米字形斑图和井字形斑图.利用电学和光学手段对斑图的放电特性进行了表征,并研究了其时空相关性.结果表明,暗点斑图是由中心暗点、亮环、外围的小暗点和均匀放电区域组成.米字形斑图和井字形斑图是由中间亮点、边上亮点、对角顶点、竖线和斜线5种不同的瞬态亚晶格组成.这些研究结果对于介质阻挡放电产生的斑图的深入研究具有一定的参考价值,而且有助于理解其他领域的复杂斑图.

关键词: 介质阻挡放电, 斑图, C_4v对称性, 时空相关性

Abstract: Patterns are regular structures existed extensively in gas discharge system, which are formed by a series of complex interactions between discharge filaments. Using a specially-designed double gap dielectric barrier discharge device with argon used as the working gas, a dark spots pattern, a -like pattern and a #-like pattern with C_4v symmetry are obtained in this paper. The discharge characteristics of the patterns have been characterized by electrical and optical methods, and their spatiotemporal relevance are studied. The results show that the dark spots pattern is composed of the three parts: the central dark spot, the bright ring, the outer small dark spots on the background of the uniform discharge area. Moreover, the -like pattern and the #-like pattern are composed of five different transient sublattices: the central spot, the side spot, the diagonal vertex, the vertical line and the diagonal line. These results have certain reference value for the in-depth study of the patterns generated by dielectric barrier discharge, and can improve the understanding of more complex patterns in other fields.

Key words: dielectric barrier discharge, pattern, C_4v symmetry, spatiotemporal relevance

中图分类号:

O461.2

刘靖楠,冉俊霞,吴凯玥,武珈存,陈俊宇,贾鹏英. 双气隙介质阻挡放电中3种C_4v对称性的斑图及其时空相关性[J]. 河北大学学报(自然科学版), 2024, 44(1): 27-33.

LIU Jingnan, RAN Junxia, WU Kaiyue, WU Jiacun, CHEN Junyu, JIA Pengying. Three patterns with C_4v symmetry formed in argon dielectric barrier discharge with double gaps and their spatiotemporal relevance[J]. Journal of Hebei University(Natural Science Edition), 2024, 44(1): 27-33.

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