| PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Temporal variation characteristics of cathode temperature in a magnetoplasmadynamic thruster |
| Cheng Zhou(周成)1,2,3, Peng Wu(吴鹏)3, Yun-Tao Song(宋云涛)1,2, Jin-Xing Zheng(郑金星)1,2, Yong Li(李永)3,†, Ge Wang(王戈)3, and Hai-Yang Liu(刘海洋)2 |
1 University of Science and Technology of China, Hefei 230031, China;
2 Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China;
3 Beijing Institute of Control Engineering, Beijing 100080, China |
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Abstract The magnetoplasmadynamic thruster (MPDT) is characterized by its high specific impulse and substantial thrust density, making it a promising propulsion system for deep space exploration missions. In both laboratory experiments and practical applications, cathode ablation has emerged as a critical concern. An optical diagnostic approach based on monochromatic radiation temperature measurement, utilizing plume emission spectra and the selection of an appropriate test band, has been successfully employed. This method provides an accurate temperature distribution across the cathode surface, offering a novel testing technique for the optimization and evaluation of magnetic plasma thruster designs.
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Received: 07 October 2024
Revised: 04 December 2024
Accepted manuscript online: 13 December 2024
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PACS:
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52.75.Di
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(Ion and plasma propulsion)
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85.70.Rp
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(Magnetic levitation, propulsion and control devices)
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Corresponding Authors:
Yong Li
E-mail: 18510489511@163.com
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Cite this article:
Cheng Zhou(周成), Peng Wu(吴鹏), Yun-Tao Song(宋云涛), Jin-Xing Zheng(郑金星), Yong Li(李永), Ge Wang(王戈), and Hai-Yang Liu(刘海洋) Temporal variation characteristics of cathode temperature in a magnetoplasmadynamic thruster 2025 Chin. Phys. B 34 025202
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