PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES |
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Experimental study on performance of 100-kW low temperature superconducting steady-state 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 Applied field magnetoplasmadynamic thrusters (AF-MPDTs), with their high specific impulse and considerable thrust, are increasingly favored for large-scale space missions. This paper presents the composition, functionality, and testing methods of a high-power electric propulsion performance testing system, along with the vacuum ignition test results of a 100 kW superconducting MPD thruster. The relationships between thruster efficiency, magnetic field strength, current, and mass flow rate are analyzed. For each combination of current and flow rate in an AF-MPDT, there is an optimal magnetic field strength where the thruster efficiency reaches its peak. Under conditions of 320 A current and 60 mg/s flow rate, the optimal magnetic field strength is 0.5 T, yielding the highest thruster efficiency of 71%.
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Received: 26 September 2024
Revised: 26 November 2024
Accepted manuscript online: 02 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) Experimental study on performance of 100-kW low temperature superconducting steady-state magnetoplasmadynamic thruster 2025 Chin. Phys. B 34 025201
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