A complex pattern with hexagonal lattice and white-eye stripe in dielectric barrier discharge

被引：7
|
作者：
Wei, Lingyan [1 ]
Dong, Lifang [1 ]
Fan, Weili [1 ]
Liu, Fucheng [1 ]
Feng, Jianyu [1 ]
Pan, Yuyang [1 ]
机构：
[1] Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China
来源：
SCIENTIFIC REPORTS | 2018年 / 8卷
基金：
中国国家自然科学基金;
关键词：
REACTION-DIFFUSION MODEL; WAVE PATTERNS; SYSTEM;
D O I：
10.1038/s41598-018-21855-3
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
A novel type of white-eye pattern in a dielectric barrier discharge system has been investigated in this paper. It is a superposition of a hexagonal lattice and a white-eye stripe in appearance and evolves from a white-eye square grid state with the applied voltage increasing. Its spatio-temporal dynamics obtained by an intensified charge-coupled device shows that it consists of three transient rectangular sublattices. The spatiotemporally resolved evolutions of the molecular vibrational temperature and electron density of the pattern are measured by optical emission spectra. The evolution of surface charge distribution is given and its effect on the self-organized pattern formation is discussed.
引用
收藏
页数：10
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