Study on Influencing Factors of Working Performances in Micro Cathode Arc Thruster

doi:10.13675/j.cnki. tjjs. 190032

Journal of Propulsion Technology ›› 2020, Vol. 41 ›› Issue (1): 157-163.DOI: 10.13675/j.cnki. tjjs. 190032

• Electric Propulsion • Previous Articles Next Articles

Study on Influencing Factors of Working Performances in Micro Cathode Arc Thruster

1.Beijing Institute of Control Engineering,Beijing 100190,China;2.Beijing Engineering Research Center of Efficient and Green Aerospace Propulsion Technology，Beijing 100190,China

Online:2020-01-20 Published:2020-01-20

微阴极电弧推力器工作性能影响因素研究

耿金越^1,2,秦宇^1,2,龙军^1,2,刘旭辉^1,2,沈岩^1,2

1.北京控制工程研究所，北京 100190;2.北京市高效能及绿色宇航推进工程技术研究中心，北京;100190

作者简介:耿金越，博士，高级工程师，研究领域为空间电推进技术及放电等离子体等。E-mail：jinyuegeng@163.com
基金资助:
国家自然科学基金青年项目（11702021）；国防基础科研项目（JCKY2018203B029）。

Abstract

Abstract: The influence of peak discharge current and external magnetic field on the thrust, specific impulse and lifetime of the micro-cathode arc thruster was studied by the test method. The results show that with increasing of the peak discharge current, the cathode ablation and the element impulse increased. Compared with the lower peak discharge current (10A), the higher peak discharge current (40A) can extend the working life of the thruster. With the increase of the applied magnetic field, both the axial velocity of the plasma jet and the specific impulse of the thruster increased.

Key words: Micro-cathode arc thruster;Vacuum arc;Working performance;Thrust;Magnetic field

摘要： 采用试验方法研究了微阴极电弧推力器中峰值放电电流及外加磁场对其推力、比冲、寿命的影响规律。试验结果表明：峰值放电电流增加，阴极烧蚀量增加，元冲量增大；相比于较低的峰值放电电流（10A），更高的峰值放电电流（40A）可延长推力器的工作寿命；外加磁场增强，推力器喷射等离子体轴向速度增大，比冲增加。

关键词: 微阴极电弧推力器;真空电弧;工作性能;推力;磁场

GENG Jin-yue^1,2,QIN Yu^1,2,LONG Jun^1,2,LIU Xu-hui^1,2,SHEN Yan^1,2. Study on Influencing Factors of Working Performances in Micro Cathode Arc Thruster[J]. Journal of Propulsion Technology, 2020, 41(1): 157-163.

耿金越,秦宇,龙军,刘旭辉,沈岩. 微阴极电弧推力器工作性能影响因素研究[J]. 推进技术, 2020, 41(1): 157-163.

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Study on Influencing Factors of Working Performances in Micro Cathode Arc Thruster

微阴极电弧推力器工作性能影响因素研究

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