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Sufficiently diffused attachment of nitrogen arc by gas dynamic action
Pan WX(潘文霞); Chen LW(陈乐文); Meng X(孟显); Zhang Y(张勇); Wu CK(吴承康); Pan WX(潘文霞)
Source PublicationTheoretical and Applied Mechanics Letters
2016-09-08
Volume6Issue:6Pages:293-296
ISSN2095-0349
Abstract

For realizing diffused anode attachment in pure nitrogen arcs, a special arc plasma generator was designed and combined with suitable working parameters such as gas flow rate and arc current. The anode has a flow-restrictor channel of 2.8 mm diameter and downstream expansion half-angle of 8°, with the purpose of creating a dispersed nitrogen-arc column by strong gasdynamic expansion effect. Results show that, when thermal blocking condition existed in the flow restrictor and the cathode cavity pressure was higher than that in the exit chamber by at least 9 kPa, the action due to gasdynamic expansion could be much stronger than the self-magnetic contraction effect of the arc and the nitrogen arc column could be effectively dispersed to form a sufficiently diffused attachment on the water-cooled anode surface.

KeywordPure Nitrogen Arcdiffused Arc Root Attachmentgas Dynamic Expanding actionArc Channel Structureworking Paramete
DOI10.1016/j.taml.2016.09.001
Indexed ByCSCD
Language英语
CSCD IDCSCD:5911568
DepartmentLHD应用等离子体力学(CPCR)
Classification二类
RankingTrue
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60743
Collection高温气体动力学国家重点实验室
Corresponding AuthorPan WX(潘文霞)
Recommended Citation
GB/T 7714
Pan WX,Chen LW,Meng X,et al. Sufficiently diffused attachment of nitrogen arc by gas dynamic action[J]. Theoretical and Applied Mechanics Letters,2016,6(6):293-296.
APA Pan WX,Chen LW,Meng X,Zhang Y,Wu CK,&潘文霞.(2016).Sufficiently diffused attachment of nitrogen arc by gas dynamic action.Theoretical and Applied Mechanics Letters,6(6),293-296.
MLA Pan WX,et al."Sufficiently diffused attachment of nitrogen arc by gas dynamic action".Theoretical and Applied Mechanics Letters 6.6(2016):293-296.
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