气体流量对楔形间隙氦气放电特性的影响
霍伟刚 1∗ ,齐宏松 1 ,刘文媛 1 ,张 昕 2
1.辽宁师范大学 物理与电子技术学院,辽宁 大连 116029; 1.中国人民解放军南部战区总医院,广东 广州 510010
Influence of Gas Flow Rate on Helium DischargeCharacteristics in a Wedge Gap
HU0 Weigang1* ,QI Hongsong1 ,LIU Wenyuan1 ,ZHANG Xin2
摘要
开发了一种由两个矩形铜电极组成的楔形放电装置,利用这种装置研究了楔形间隙内的氦气放电特性。 发现了楔形氦气放电长度、放电电流和谱线强度随氦气流量的增加先快速增加,再缓慢减小,最后几乎不变的规律,但击穿电压却先缓慢减小,然后快速增加,最后几乎不变。 得到了相应的特征分区图。 建立了放电长度特征分区图、击穿电压特征分区图、 放电电流特征分区图和光谱强度特征分区图之间的内在物理关联。
关键词:
气体流量
楔形间隙
放电长度
击穿电压
Abstract:
A barrier discharge device composed of two rectangular copper electrode is developed to generate anatmospheric pressure helium discharge.This discharge characteristics generated in a wedge gap is studied.lt isfound that with the inerease of gas flow rate , the discharge length along with breakdown voltage and spectraline intensity displays inerease rapidly-decrease slowly-almost unchanged, but discharge current firstlydecreases slowly , then increases rapidly ,finally almost unchanged.The characteristic regions are obtained. The underlying physical correlation has been established among discharge length charaeteristic region , breakdown voltage characteristic region , discharge current characteristic region , and spectral intensity characteristic region.
Key words:
gas flow rate
wedge gap
discharge length
breakdown
出版日期: 2024-08-25
发布日期: 2024-08-25
整期出版日期: 2024-08-25
引用本文:
霍伟刚 , 齐宏松 , 刘文媛 , 张 昕 .
气体流量对楔形间隙氦气放电特性的影响
[J]. 大学物理实验, 2024, 37(4): 7-11.
HU Weigang , QI Hongsong , LIU Wenyuan , ZHANG Xin.
Influence of Gas Flow Rate on Helium DischargeCharacteristics in a Wedge Gap
. Physical Experiment of College, 2024, 37(4): 7-11.
链接本文:
http://dawushiyan.jlict.edu.cn/CN/10.14139/i.cnki.cn22-1228.2024.04.002
或
http://dawushiyan.jlict.edu.cn/CN/Y2024/V37/I4/7
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