Experimental study of nanosecond-pulse dielectric barrier discharge in open air

2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI:10.1109/IPMHVC.2012.6518773

T. Shao, Cheng Zhang, Yang Yu, P. Yan, E. Schamiloglu

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引用次数: 1

Abstract

Dielectric barrier discharge (DBD) is an important method to produce non-thermal plasma in atmospheric air, which is widely used in a variety of industrial fields. In this paper, the discharge is generated in atmospheric air using a magnetic compression solid-state pulsed power generator. The output pulse can be up to 30 kV with a rise time of about 40 ns and a full width at half maximum of 70 ns. The characteristics are studied by the measurement of voltage and current waveforms, discharge images, and optical emission spectroscopy. The experimental results show that when the air gap is less than 3 mm, no filaments are observed and the DBD is diffuse in the whole discharge regime. The rotational and vibrational temperatures of the DBD are calculated according to the emission band of the nitrogen second positive system near 380.5 nm. The relationship between the emission intensity and the rotational temperature with the applied voltage and pulse repetition frequency are investigated and discussed. The experimental results show that the emission intensity is sensitive to the applied voltage and pulse repetition frequency; however the rotational and vibrational temperatures indicates insensitivity to the applied voltage and pulse repetition frequency.

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露天纳秒脉冲介质阻挡放电的实验研究

介质阻挡放电(DBD)是在大气中产生非热等离子体的一种重要方法，广泛应用于各种工业领域。本文利用磁压缩固体脉冲电源发生器在大气中产生放电。输出脉冲最高可达30kv，上升时间约为40ns，全宽为70ns。通过测量电压和电流波形、放电图像和发射光谱来研究其特性。实验结果表明，当气隙小于3 mm时，在整个放电过程中没有细丝形成，DBD呈弥漫性分布。根据氮第二正极体系在380.5 nm附近的发射带，计算了DBD的旋转和振动温度。研究并讨论了发射强度和旋转温度与外加电压和脉冲重复频率的关系。实验结果表明，发射强度对外加电压和脉冲重复频率敏感;然而，旋转和振动温度表明对外加电压和脉冲重复频率不敏感。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

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