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Fluctuation-Coupling of Cathode Cavity Pressure and Arc Voltage in a dc Plasma Torch with a Long Inter-Electrode Channel at Reduced Pressure
Cao JW; Huang HJ(黄河激); Pan WX(潘文霞); Huang, HJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Source PublicationChinese Physics Letters
2014-11
Volume31Issue:11Pages:115202
ISSN0256-307X
AbstractFluctuations of cathode cavity pressure and arc voltage are observed experimentally in a dc plasma torch with a long inter-electrode channel. The results show that they have the same frequency of around 4 kHz under typical experimental conditions. The observed phase difference between the pressure and the voltage, which is influenced by the path length between the pressure sensor and the cathode cavity, varies with different input powers. Combined with numerical simulation, the position of the pressure perturbation origin is estimated, and the results show that it is located at 0.01-0.05m upstream of the inter-electrode channel outlet.
Subject AreaPhysics
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Indexed BySCI ; CSCD
Language英语
WOS IDWOS:000345156300027
Funding OrganizationSupported by the National Natural Science Foundation of China under Grant No 11175226.
DepartmentLHD应用等离子体力学(CPCR)
ClassificationQ3
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49440
Collection高温气体动力学国家重点实验室
Corresponding AuthorHuang, HJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Cao JW,Huang HJ,Pan WX,et al. Fluctuation-Coupling of Cathode Cavity Pressure and Arc Voltage in a dc Plasma Torch with a Long Inter-Electrode Channel at Reduced Pressure[J]. Chinese Physics Letters,2014,31(11):115202
APA Cao JW,黄河激,潘文霞,&Huang, HJ .(2014).Fluctuation-Coupling of Cathode Cavity Pressure and Arc Voltage in a dc Plasma Torch with a Long Inter-Electrode Channel at Reduced Pressure.Chinese Physics Letters,31(11),115202.
MLA Cao JW,et al."Fluctuation-Coupling of Cathode Cavity Pressure and Arc Voltage in a dc Plasma Torch with a Long Inter-Electrode Channel at Reduced Pressure".Chinese Physics Letters 31.11(2014):115202.
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