Journal
VACUUM
Volume 212, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2023.112060
Keywords
Electric propulsion; Hall thruster; High voltage; Magnetic field; Hall current
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In a voltage-varying experiment of Hall thrusters, inward deflection of the excitation magnetic field was observed. The influence of Hall current magnitude and radial distribution on the total magnetic field was analyzed using magnetic field simulations. The probable reason for the inward deflection at high discharge voltages (>600 V) was obtained by combining simulation results and theoretical analysis. This study provides qualitative guidance for the design of excitation magnetic field in high-specific-impulse Hall thrusters.
The inward deflection of the excitation magnetic field was found in a Hall thruster voltage-varying experiment. The influence of Hall current magnitude and radial distribution on the total magnetic field was analyzed through magnetic field simulations. The probable reason why the excitation magnetic field deflected inward evidently at high discharge voltages (>600 V) was obtained by combining the simulation results and theoretical analysis. This study provides qualitative guidance on the design of the excitation magnetic field in high-specific-impulse Hall thrusters.
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