Theoretical Research on Magnetic Confinement Mechanism of Applied-Field Magnetoplasmadynamic Thruster
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Published:2023-01-28
Issue:2
Volume:10
Page:124
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ISSN:2226-4310
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Container-title:Aerospace
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language:en
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Short-container-title:Aerospace
Author:
Du Yifan12, Zheng Jinxing1, Liu Haiyang12, Li Yong3, Zhou Cheng3, Wang Ge3, Tang Zhuoyao12, Lu Yudong1, Wang Luoqi12
Affiliation:
1. Institute of Plasma Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China 2. School of Astronomy and Space Sciences, University of Science and Technology of China, Hefei 230026, China 3. Beijing Institute of Control Engineering, Beijing 100190, China
Abstract
Since the invention of rockets, mankind has been constantly trying to explore the universe. It was not until the beginning of the last century that electric propulsion technology was introduced. With the same weight of fuel consumed as chemical propulsion, electric propulsion technology can transport a spacecraft to a more distant universe. With its excellent performance in terms of specific impulse and thrust, the MPDT (MagnetoPlasmaDynamic Thruster) is garnering significant attention in the field of electric propulsion. Recent research has focused on improving its propulsion performance and service life. Due to the complexity of its working mechanism, there is no perfect explanation for it. Further analysis of its working mechanism may lead to a solution to the improvement of certain significant performance aspects such as thrust. An ideal magnetic fluid model of the MPDT is established based on the MHD method, and the working mechanism is analyzed and summarized according to simulations and experiments. The results of the analysis indicate that reducing the size of the cathode could significantly improve the thruster’s performance.
Funder
Program of Natural Science Foundation for Distinguished Young Scholars of Anhui Province
Subject
Aerospace Engineering
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