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首页> 外文会议>Conference on Optical Design and Testing; 20071112-15; Beijing(CN) >Optical measurement of discharge pattern in dielectric barrier discharge system
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Optical measurement of discharge pattern in dielectric barrier discharge system

机译：介质阻挡放电系统中放电模式的光学测量

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摘要

A honeycomb hexagonal pattern is observed in a dielectric barrier discharge system, which bifurcates from a square pattern. As the filaments composing the pattern emit visible light, an optical system is specially designed to study the spatiotemporal dynamics of the honeycomb hexagonal pattern. The light emitted from pattern, one honeycomb-like cell, filaments in a line of a cell, and a single filament are detected, respectively. The measurement on spatiotemporal correlation between two different individual filaments is also performed. It is found that the honeycomb hexagonal patternis an interleaving of three hexagonal sublattices discharging harmonically and subharmonically. It is found experimentally that the discharge current signals have three pulses in each half cycle of the driven voltage. Its characteristics are also investigated by measuring FWHMs and peak voltages of the three discharge pulses, as well as the time intervals between peaks of different pulses, respectively.
机译：在介电势垒放电系统中观察到蜂窝六边形图案，该图案从正方形图案分叉。当组成图案的细丝发出可见光时，专门设计了一个光学系统来研究蜂窝六边形图案的时空动力学。分别检测从图案，一个蜂窝状单元，单元行中的细丝和单个细丝发出的光。还对两条不同的单根细丝之间的时空相关性进行了测量。发现蜂窝六边形图案是三个六角形子格子的交织，三个子格子以谐波和次谐波方式放电。通过实验发现，放电电流信号在驱动电压的每个半周期中具有三个脉冲。还通过测量三个放电脉冲的FWHM和峰值电压以及不同脉冲的峰值之间的时间间隔来研究其特性。

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