Pattern formation based on the triple-layer coupling mechanism

Abstract

We report on the first investigation of the triple-layer coupling pattern formation in a dielectric barrier discharge system. The pattern basically consists of one discharge subpattern ignited in the gas gap and two surface-charge subpatterns deposited on the dielectric surfaces. The coupling of the three subpatterns (layers) is presented by analyzing the time-resolved discharge sequence of a white-eye hexagonal super lattice pattern (WEHSP). A triple-layer coupling reaction-diffusion regime is also established to conduct simulations and the simulated WEHSP agrees well with the experiment. This paper will provide a deeper understanding for the layer coupling mechanism in pattern formation.

Honeycomb superlattice pattern in a dielectric barrier discharge in argon/air

“…15 The filaments can self-organize into various types of regular patterns for different parameters. [16][17][18] They are particularly well suited to studies of the spatiotemporal characteristics because they are self-luminous. Previously, the spatiotemporal characteristics were investigated by instantaneous images with time integration.…”

Stabilization of a spatially uniform steady state in two systems exhibiting Turing patterns

“…A variety of phenomena induced by diffusive connections have been found, such as black eye and white eye patterns [33], symmetric, asymmetric, and antiphase patterns [34], and square patterns [35]. Diffusive connections have been experimentally implemented in real systems [36,37]. Furthermore, some types of couplings, such as dynamic connections [38], connections with distributed delays [39], and nonlinear connections [45], have been studied.…”

“…This instability has been recognized as a fundamental mechanism for pattern generation in nature [32]. Although a variety of spatiotemporal behaviors in coupled reaction-diffusion systems with Turing instability have been investigated analytically and experimentally [33][34][35][36][37][38][39][40], to the best of our knowledge, there have been few studies on the stabilization of a spatially uniform steady state in a coupled system with Turing instability (see Sec. V for details).…”

Study on the D<sub>2h</sub> superlattice pattern in dielectric barrier discharge

“…在介质阻挡放电系统中通过普通水 电极作为放电电极观察到的斑图种类很多, 其中包括 圆环斑图 [9,13] 、D 4h (含有对称操作E, 5C 2 , C 4 , C , i, σ h 和4σ i , 称为D 4h 点群)对称性的四边形超点阵斑 图 [14,15] 和D 6h (含有对称操作E, 7C 2 , C 6 , C 3 , C , i, σ h 和6σ i , 称为D 6h 点群)对称性的六边形超 点阵斑图 [16][17][18] . 例如 Sánchez-Álvarez等人 [19] 观察到一 个四边形斑图, 其由D 4h 对称性的点阵构成; Dong等 人 [20] 观察到一个D 4h 四边形发光斑图, 其由两种D 4h 对 称性的子点阵耦合而形成; Dong等人 [21] 观察到一个3 层耦合斑图, 其由3种D 6h 对称性的六边形子点阵嵌套 引用格式: 韩蓉, 董丽芳, 黄加玉, 等. 介质阻挡放电中D 2h 超点阵斑图的研究.…”