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Study of electron-extraction characteristics of an inductively coupled radio-frequency plasma neutralizer
He JW(贺建武); Ma LF(马隆飞); Xue SW(薛森文); Zhang C(章楚); Duan L(段俐); Kang Q(康琦)
Source PublicationPLASMA SCIENCE & TECHNOLOGY
2018-02-01
Volume20Issue:2Pages:UNSP 025403
ISSN1009-0630
AbstractInductively coupled radio-frequency (RF) plasma neutralizer (RPN) is an insert-free device that can be employed as an electron source in electric propulsion applications. Electron-extraction characteristics of the RPN are related to the bulk plasma parameters and the device's geometry. Therefore, the effects of different electron-extraction apertures and operational parameters upon the electron-extraction characteristics are investigated according to the global nonambipolar flow and sheath model. Moreover, these models can also be used to explain why the electron-extraction characteristics of the RPN strongly depend upon the formation of the anode spot. During the experimental study, two types of anode spots are observed. Each of them has unique characteristics of electron extraction. Moreover, the hysteresis of an anode spot is observed by changing the xenon volume-flow rates or the bias voltages. In addition, the rapid ignited method, gas-utilization factor, electron-extraction cost and other factors that need to be considered in the design of the RPN are also discussed.
Keywordelectron source plasma cathode RF neutralizer RF plasma anode spot
DOI10.1088/2058-6272/aa89e1
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000427856600018
WOS KeywordCATHODE ; DISCHARGE
WOS Research AreaPhysics, Fluids & Plasmas
WOS SubjectPhysics
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences [XDB23030100]
ClassificationQ4
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77873
Collection国家微重力实验室
Affiliation1.Chinese Acad Sci, Inst Mech, Natl Micro Grav Lab, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
He JW,Ma LF,Xue SW,et al. Study of electron-extraction characteristics of an inductively coupled radio-frequency plasma neutralizer[J]. PLASMA SCIENCE & TECHNOLOGY,2018,20(2):UNSP 025403.
APA 贺建武,马隆飞,薛森文,章楚,段俐,&康琦.(2018).Study of electron-extraction characteristics of an inductively coupled radio-frequency plasma neutralizer.PLASMA SCIENCE & TECHNOLOGY,20(2),UNSP 025403.
MLA 贺建武,et al."Study of electron-extraction characteristics of an inductively coupled radio-frequency plasma neutralizer".PLASMA SCIENCE & TECHNOLOGY 20.2(2018):UNSP 025403.
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