高电压技术2012，Vol.38Issue(7)：1736-1741,6.
基于OH基团二级光谱的氩大气压等离子体射流温度诊断
Diagnosis of Temperature for Argon Atmospheric Pressure Plasma Jets with Oxyhydrogen Grating Secondary Spectrum
摘要
Abstract
In order to use the secondary grating spectrum to diagnose the temperature of atmospheric pressure plasma jets （APPJs）, the open condition APPJs in argon are given first by linear field electrodes configuration. Intensified charge coupled device （ICCD） and three-grating spectrometer are used to capture plasmas spectra range from 200 nm to 900 nm. Then the temperature of plasma jets are further diagnosed by using captured spectra. Identification and analysis for the spectra reveal that the argon atom spectral lines transition 2p--ls （Paschen＇s notes） are present. In addition, the primary and its secondary grating sPectra of some molecular radicals also appear, and resolution of the secondary grating spectrum is far higher than its primary resolution, especially for OH （A2∑＋→X2H） radical. The secondary grating spectra of OH （A2∑＋→X2H） radical are selected for diagnosing temperature of argon APPJs. The trend of the temperature of argon APPJs with applied voltage and gas flow velocity under fixed other conditions （quartz tube diameters, distance between electrodes, and electrodes width） are also investigated. The results indicate that argon APPJs＇ s temperature varying with both above parameters decreases to its minimum of 348 K then increases when the applied voltage is fixed at 10 kV and gas flow are 4 L/min, respectively.关键词
线性场电极结构/大气压等离子体射流（APPJs）/等离子体光谱/二级光栅光谱/转动温度/等离子/体温度Key words
linear field electrodes configuration/atmospheric pressure plasma jets{APPJs)/plasma spectra/secondary grating spectrum/rotational temperature/plasma temperature分类
数理科学引用本文复制引用
常正实,邵先军,张冠军..基于OH基团二级光谱的氩大气压等离子体射流温度诊断[J].高电压技术,2012,38(7):1736-1741,6.基金项目
国家杰出青年科学基金 （）
全国优秀博士学位论文基金 （）
中央高校基本科研业务费专项基金（xjj20100160）. （）
