一种非闭环E×B霍尔推力器设计与实验研究

张广川; 王伟宗; 任军学; 王一白; 汤海滨; 杨立军

doi:10.13700/j.bh.1001-5965.2024.0041

一种非闭环E×B霍尔推力器设计与实验研究

doi: 10.13700/j.bh.1001-5965.2024.0041

张广川¹,
王伟宗^{1, 2, ,},
任军学^{1, 2},
王一白^{1, 2, 3},
汤海滨^{1, 2},
杨立军^{1, 2}

1.
北京航空航天大学宇航学院，北京 100191
2.
航天器设计优化与动态模拟技术教育部重点实验室，北京 100191
3.
北京航空航天大学宁波创新研究院，宁波 315100

基金项目:

中国博士后科学基金(2023M740181)；中央高校基本科研业务费专项资金(YWF-23-Q-1044)

详细信息

通讯作者:
E-mail：wangweizong@buaa.edu.cn

中图分类号: V439⁺.4
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- 文章访问数: 303
- HTML全文浏览量: 153
- PDF下载量: 23
- 被引次数: 0
出版历程
- 收稿日期: 2024-01-18
- 录用日期: 2024-01-30
- 网络出版日期: 2024-03-12
- 整期出版日期: 2026-04-30

Design and experimental study of an unclosed-loop E×B Hall thruster

ZHANG Guangchuan¹,
WANG Weizong^{1, 2
, ,},
REN Junxue^{1, 2},
WANG Yibai^{1, 2, 3},
TANG Haibin^{1, 2},
YANG Lijun^{1, 2}

1.
School of Astronautics，Beihang University，Beijing 100191，China
2.
Key Laboratory of Spacecraft Design Optimization & Dynamic Simulation Technologies，Ministry of Education，Beijing 100191，China
3.
Ningbo Institute of Technology，Beihang University，Ningbo 315100，China

Funds:

China Postdoctoral Science Foundation (2023M740181); The Fundamental Research Funds for the Central Universities (YWF-23-Q-1044)

More Information

Corresponding author: E-mail：wangweizong@buaa.edu.cn

摘要

摘要:
霍尔推力器是一种广泛应用于航天器的先进电推进装置。传统的环形闭环霍尔推力器由于结构限制，无法开展放电通道内磁场构型剖切面上等离子体二维分布诊断。为解决这一问题，设计一种带有光学诊断窗口的非闭环直线型通道电场E×磁场B的霍尔推力器，对推力器内部磁场和流场进行了仿真分析，提出磁场设计原则。通过稳态放电参数监测、瞬态放电振荡分析、束流区等离子体参数诊断和放电通道内部电离区等离子体分布结构成像，验证了直线型放电通道构型对等离子体的有效约束与电磁场加速，发现其放电模式随推进剂流量的演变趋势，并实现基于放电电压的放电模式调控。成功获取了放电通道内部等离子体在磁场构型剖切面上二维分布精细结构。综上，实现了简易装置下类霍尔推力器E×B等离子体稳定放电与模式调控，结合等离子体二维平面上分布结构的光学诊断，为进一步霍尔推力器典型放电振荡过程的等离子体微观表现提出了新思路。
- 霍尔推力器 /
- 磁场 /
- 等离子体二维分布 /
- 非闭环直线型通道 /
- 放电振荡
Abstract:
A common form of sophisticated electric propulsion technology in spacecraft is the Hall thruster. The traditional annular closed-loop Hall thrusters are unable to carry out the 2D distribution diagnosis of plasma inside the discharge channel due to structural limitations. In order to address this issue, an unclosed-loop linear channel E×B Hall thruster with optical diagnostic windows was constructed, the magnetic and flow fields inside the thruster were simulated and evaluated, and magnetic field design principles were suggested. Further, this paper verified the effective plasma confinement and electromagnetic field acceleration by the linear discharge channel configuration through steady-state discharge parameter monitoring, transient discharge oscillation analysis, plasma parameter diagnosis in the beam region, and plasma distribution structure imaging in the ionized region inside the discharge channel. The discharge mode regulation based on the discharge voltage was realized, and the evolutionary tendency of the discharge mode with the propellant flow rate was identified. Finally, this paper successfully obtained the 2D distribution fine structure of plasma inside the discharge channel on the magnetic field configuration profile. In summary, this paper realized the stable discharge and mode regulation of the plasma in the E×B field of a Hall-like thruster under a simple device, combined with the optical diagnosis of the distribution structure of the plasma in the two-dimensional plane, and put forward a new idea for the further microscopic manifestation of the typical discharge oscillation process of a Hall thruster.
- Hall thrusters /
- magnetic field /
- 2D distribution of plasma /
- unclosed-loop linear channel /
- discharge oscillations

HTML全文

图 1 环形闭环霍尔推力器结构原理图

Figure 1. Schematic of annular closed-loop Hall thruster structure

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图 2 非闭环霍尔推力器结构原理图

Figure 2. Schematic of unclosed-loop Hall thruster structure

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图 3 非闭环直线通道光学诊断窗口

Figure 3. Optical diagnostic window for non-closed loop linear channel

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图 4 zx平面上磁场构型

Figure 4. Magnetic field configuration on zx profile

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图 5 zx 平面上沿z轴磁场强度曲线

Figure 5. Magnetic field strength curves along z-axis on zx profile

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图 6 yx平面上磁场构型

Figure 6. Magnetic field configuration on yx profile

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图 7 yx 平面上沿y轴磁场强度曲线

Figure 7. Magnetic field strength curves along y-axis on yx profile

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图 8 阳极气体分配器结构设计

Figure 8. Structure design of anode gas distributor

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图 9 zx 平面上原子密度二维分布

Figure 9. 2D density distribution of atoms on zx profile

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图 10 zx 平面上沿z轴原子密度分布

Figure 10. Density distribution of atoms on zx profile

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图 11 zy平面上原子密度二维分布

Figure 11. 2D density distribution of atoms on zy profile

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图 12 zy平面上沿y轴原子密度变化曲线

Figure 12. Density variation curves of atoms on zy profile

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图 13 真空舱和电推进放电与诊断测试系统

Figure 13. Vacuum chamber and electric propulsion discharge and diagnostic test system

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图 14 微小推力测量架

Figure 14. Micro-thrust measurement device

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图 15 法拉第探针和电路配制

Figure 15. Faraday probe and electrical circuit setup

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图 16 UDTv01放电伏安特性

Figure 16. Discharge voltametric characterization of UDTv01

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图 17 1.05 mL/min流量工况放电电流振荡曲线

Figure 17. Oscillation curves of discharge current at flowrate of 1.05 mL/min

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图 18 1.95 mL/min流量工况放电电流振荡曲线

Figure 18. Oscillation curves of discharge current at flowrate of 1.95 mL/min

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图 19 120 V放电电压工况下放电电流振荡曲线

Figure 19. Discharge current oscillation curves under 120 V discharge voltage condition

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图 20 180 V放电电压工况下放电电流振荡曲线

Figure 20. Discharge current oscillation curves at 180 V discharge voltage condition

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图 21 UDTv01等离子体束流图像

Figure 21. Plasma plume image of UDTv01

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图 22 UDTv01等离子体束流重粒子加速性能

Figure 22. UDTv01 plasma beam heavy ion acceleration performance

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图 23 离子束流密度沿y轴变化曲线

Figure 23. Variation curves of ion beam density along y-axis

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图 24 离子束流密度沿x轴变化曲线

Figure 24. Variation curves of ion beam density along x-axis

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图 25 放电通道内磁场剖切面上电离区二维成像

Figure 25. 2D imaging of ionization zone on magnetic field section plane within discharge channel

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