<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The magnetic circuit of a 500 W class Hall thruster, an electric propulsive device for spacecraft, was characterized experimentally and the results compared with simulation in order to verify the design. The commercial 3D gaussmeter, which was used in this work, was additionally recalibrated to compensate for translation and rotation of individual Hall sensors inside the probe. The Stokes stream function approach was applied to reconstruct the magnetic field topography in the thruster. The procedure, carried out on four different cases, yielded very good agreement between simulations and measurements, even for cusped configurations. Presented technique could be used as a robust method of verification of new magnetic circuit designs not only for Hall thrusters but also for a wide class of plasma devices for which detailed knowledge about actual distribution of magnetic field is crucial for optimization.</p>
</abstract>

The magnetic circuit of a 500 W class Hall thruster, an electric propulsive device for spacecraft, was characterized experimentally and the results compared with simulation in order to verify the design. The commercial 3D gaussmeter, which was used in this work, was additionally recalibrated to compensate for translation and rotation of individual Hall sensors inside the probe. The Stokes stream function approach was applied to reconstruct the magnetic field topography in the thruster. The procedure, carried out on four different cases, yielded very good agreement between simulations and measurements, even for cusped configurations. Presented technique could be used as a robust method of verification of new magnetic circuit designs not only for Hall thrusters but also for a wide class of plasma devices for which detailed knowledge about actual distribution of magnetic field is crucial for optimization.

Experimental Verification of the Magnetic Field Topography inside a small Hall Thruster

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The magnetic circuit of a 500 W class Hall thruster, an electric propulsive device for spacecraft, was characterized experimentally and the results compared...

Experimental Verification of the Magnetic Field Topography inside a small Hall Thruster

Published Online: Sep 17, 2021

Page range: 150 - 157

Received: Aug 19, 2021

Accepted: Sep 10, 2021

DOI: https://doi.org/10.2478/msr-2021-0021

Keywords
Hall thruster, magnetic field, topography, verification

© 2021 Maciej Jakubczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Experimental Verification of the Magnetic Field Topography inside a small Hall Thruster

Published Online: Sep 17, 2021

Page range: 150 - 157

Received: Aug 19, 2021

Accepted: Sep 10, 2021

DOI: https://doi.org/10.2478/msr-2021-0021

KeywordsHall thruster, magnetic field, topography, verification

© 2021 Maciej Jakubczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Hall thruster, magnetic field, topography, verification