Study on moving filaments in honeycomb pattern in dielectric barrier discharge

Cui, Yiqian; Dong, Lifang; Gao, Xing; Wei, Lingyan; Liu, Weibo; Feng, Jianyu; Pan, Yuyang

doi:10.1063/1.4997610

Cited by 5 publications

(3 citation statements)

References 20 publications

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“…In addition, the invisible honeycomb lattice is also presented in this work. It is well known that the honeycomb structure, as a basic structure, has been widely reported in the pattern field [16,[18][19][20][21]. However, the invisible honeycomb lattice has not before been presented in a DBD system.…”

Section: Introductionmentioning

confidence: 99%

“…In recent years, the DBD system, known for its incredible accessibility and utility for experimental devices, has been verified as an amazing and preferred system for the investigation of pattern dynamics, because it exhibits an exceptionally great variety and abundance of self-organized patterns [16][17][18][19][20][21][22][23]. Due to the luminous intensity, there not only exist visible discharge filaments to the naked eye or an ordinary camera, which is called normal discharge, but also discharge filaments exist that are invisible to the naked eye or an ordinary camera, which called dark discharge in the DBD system.…”

Section: Introductionmentioning

confidence: 99%

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Formation of honeycomb-Kagome hexagonal superlattice pattern with dark discharges in dielectric barrier discharge

Pan

Feng²,

Li³

et al. 2022

Plasma Sci. Technol.

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A honeycomb-Kagome hexagonal superlattice pattern with dark discharges is observed in dielectric barrier discharge (DBD) system for the first time. The spatiotemporal structure of the honeycomb-Kagome hexagonal superlattice pattern with dark discharges investigated by an intensified charge-coupled device (ICCD) and the photomultipliers (PMTs) shows that it is an interleaving of three different sub-lattices, which are bright-spot, invisible honeycomb lattice, and Kagome lattice with invisible frameworks and dim-spots, respectively. The invisible honeycomb lattices and Kagome lattices are actually composed of the dark discharges. By using optical emission spectra method, it is found that the plasma parameters of the three different sub-lattices are different. The influence of the dark discharges on the pattern formation is discussed. The results maybe have significance for the investigation of the dark discharges and will accelerate the development of the self-organized pattern dynamics.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Formation of honeycomb-Kagome hexagonal superlattice pattern with dark discharges in dielectric barrier discharge

Pan

Feng²,

Li³

et al. 2022

Plasma Sci. Technol.

Self Cite

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“…For instance, Cui et al observed a honeycomb pattern with moving filaments, and the central spots were discharged at the centers of the hexagons formed by the moving filaments. [25] Dong's group obtained collective vibration filaments in a hexagonal superlattice pattern, in which the large spots were discharged at the center of the vibrating hexagonal small spots. [26] Prior to this, the effect of the vibrating filaments on the spatiotemporal dynamics of the pattern was the same as that of the static filaments.…”

Section: Introductionmentioning

confidence: 99%

Influence of vibration on spatiotemporal structure of the pattern in dielectric barrier discharge

Han¹,

Dong²,

Huang³

et al. 2019

Chinese Phys. B

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The influence of vibration on the spatiotemporal structure of the pattern in dielectric barrier discharge is studied for the first time. The spatiotemporal structure of the pattern investigated by an intensified charge-coupled device shows that it is an interleaving of three sublattices, whose discharge sequence is small rods–halos–large spots in each half-cycle of the applied voltage. The result of the photomultiplier indicates that the small rods are composed of moving filaments. The moving mode of the moving filaments is determined to be antisymmetric stretching vibration by analyzing a series of consecutive images taken by a high-speed video camera. The antisymmetric stretching vibration affects the distribution of wall charges and leads to the halos. Furthermore, large spots are discharged only at the centers of the squares consisting of vibrating filaments. The vibration mechanism of the vibrating filaments is dependent on the electric field of wall charges.

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Study on linear-zigzag transition in dielectric barrier discharge with rectangular frames

Liu

Dong

et al. 2018

Physics of Plasmas

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The linear-zigzag transition is observed and studied in dielectric barrier discharge with rectangular frames for the first time by two photomultipliers, an intensified charge-coupled device, and a high-speed video camera. The unstable linear spot pattern transforms into a stable zigzag superlattice pattern with increasing voltage. The zigzag superlattice pattern is made up of dim spots at each corner, light spots between dim spots, and a zigzag line which is composed of moving spots and zigzag halos. All the spots in the linear spot pattern discharge simultaneously, and they have equal electric quantities, while the discharge sequence in the zigzag superlattice pattern is light spots, dim spots, halos, moving spots, and electric quantities of light spots are more than that of dim spots. The difference in the electric quantities leads to the formation of zigzag halos. In a word, the zigzag superlattice pattern results from unequal wall charge quantities of different sublattices and statistical self-organization of moving spots.

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Study on moving filaments in honeycomb pattern in dielectric barrier discharge

Cited by 5 publications

References 20 publications

Formation of honeycomb-Kagome hexagonal superlattice pattern with dark discharges in dielectric barrier discharge

Formation of honeycomb-Kagome hexagonal superlattice pattern with dark discharges in dielectric barrier discharge

Influence of vibration on spatiotemporal structure of the pattern in dielectric barrier discharge

Study on linear-zigzag transition in dielectric barrier discharge with rectangular frames

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