Spectroscopic Diagnostics of Rotational Temperature in the Pulsed Atmospheric Air Plasma

查看全文 作　　者：DONG Pan LI Jie LI Xi XIE Yutong LONG Jidong ZHANG [1]Linwen

机构地区：[1]Key Laboratory of Pulsed Power, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China

出　　处：《高电压技术》索引2013年第39卷第10期,共5页

基　　金：Project supported by National Nature Science Foundation of China (11035004), Double Hundred Talent Foundation of CAEP (2009R0102), Key Laboratory of Puised Power of CAEP Science and Technology Development Foundation (2008B040237). 摘　　要：Dielectric barrier discharge(DBD) attracts lots of attentions for its great application promises,and the rotational temperature is one of its mostly important parameters.In order to measure the rotational temperature of a pulsed DBD in atmospheric air,the temperature is studied by using optical emission spectroscopy(OES).The discharge is excited by a high voltage pulse with 124 ns rise time and 230 ns full width at half maximum(FWHM) at a repetition rate of a few hundred hertz.The rotational temperatures are studied using different voltages,different repetition rates of the pulse power supply,and different gaps between dielectrics: They are in the range from 390 K to 500 K during the whole discharge.When the gap between dielectrics increases,the rotational temperature initially decreases and then increases.The rotational temperature changes complexly when the pulse repetition rate changes.When the voltage increases,the rotational temperature always decreases,which is not expected.These results allow one to predict the rotational temperature at different supply power parameters and electrode configurations,which is useful for the DBD's industrial application. 关键词：转动温度高压脉冲空气等离子光谱诊断大气介质阻挡放电光学发射光谱脉冲重复频率

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Spectroscopic Diagnostics of Rotational Temperature in the Pulsed Atmospheric Air Plasma

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