IMECH-IR  > 等离子体与燃烧中心(2009-2011)
减压直流非转移电弧及等离子体射流波动特性研究
Alternative TitleFluctuations of Arc Voltage and Jet Flow in Non-Transferred DC Plasma at Reduced Pressure
郭志颖; 黄河激; 潘文霞
Source Publication真空科学与技术学报
2010-07-15
Volume30Issue:4Pages:367-373
ISSN1672-7126
Abstract实时测量了减压直流纯氩等离子体的弧电压和射流高温区的瞬时离子饱和电流. 结合射流高温区的瞬时形貌, 探讨了在真空室压力500~10000 Pa条件下电弧及等离子体射流的波动特性. 结果表明:当气流量较小和真空室压力较低时, 射流流场呈现较好的稳定性. 随着气流量和真空室压力增加, 弧电压出现高频脉动, 射流能量分布的空间和时间稳定性逐渐变差, 离子饱和电流信号变得紊乱;即使由于电源特性引起电弧功率300 Hz的波动幅度高达35%, 依然能够产生流场较稳定的等离子体射流;静电探针检测等离子体射流的瞬时离子饱和电流可作为了解射流波动特性的一种快速响应方法.
Keyword静电探针 等离子体稳定性 弧电压高频脉动 减压
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Indexed ByCSCD ; EI
Language中文
Funding Organization国家自然科学基金(50702064、10921062)
CSCD IDCSCD:3917196
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43702
Collection等离子体与燃烧中心(2009-2011)
Corresponding Author郭志颖
Recommended Citation
GB/T 7714
郭志颖,黄河激,潘文霞. 减压直流非转移电弧及等离子体射流波动特性研究[J]. 真空科学与技术学报,2010,30(4):367-373.
APA 郭志颖,黄河激,&潘文霞.(2010).减压直流非转移电弧及等离子体射流波动特性研究.真空科学与技术学报,30(4),367-373.
MLA 郭志颖,et al."减压直流非转移电弧及等离子体射流波动特性研究".真空科学与技术学报 30.4(2010):367-373.
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