Effects of magnetic field strength in the discharge channel on the performance of a multi-cusped field thruster | Zendy

Peng Hu | Zendy; Hui Liu | Zendy; Yuanyuan Gao | Zendy; Daren Yu | Zendy

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Effects of magnetic field strength in the discharge channel on the performance of a multi-cusped field thruster

Author(s) -

Peng Hu,

Hui Liu,

Yuanyuan Gao,

Daren Yu

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4962548

Subject(s) - anode , field strength , magnetic field , materials science , propellant , magnet , field (mathematics) , mechanics , thrust , ionization , cathode , atomic physics , voltage , plasma , electrical engineering , physics , ion , aerospace engineering , nuclear physics , thermodynamics , electrode , engineering , mathematics , quantum mechanics , pure mathematics

The performance characteristics of a Multi-cusped Field Thruster depending on the magnetic field strength in the discharge channel were investigated. Four thrusters with different outer diameters of the magnet rings were designed to change the magnetic field strength in the discharge channel. It is found that increasing the magnetic field strength could restrain the radial cross-field electron current and decrease the radial width of main ionization region, which gives rise to the reduction of propellant utilization and thruster performance. The test results in different anode voltage conditions indicate that both the thrust and anode efficiency are higher for the weaker magnetic field in the discharge channel

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