Hybrid plasma simulations of a magnetically shielded Hall thruste

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dc.contributor.author Perales Díaz, Jesús
dc.contributor.author Domínguez Vázquez, Adrián
dc.contributor.author Fajardo Peña, Pablo
dc.contributor.author Ahedo Galilea, Eduardo Antonio
dc.contributor.author Faraji, F.
dc.contributor.author Reza, M.
dc.contributor.author Andreussi, T.
dc.date.accessioned 2022-03-29T12:39:07Z
dc.date.available 2022-03-29T12:39:07Z
dc.date.issued 2022-03-10
dc.identifier.bibliographicCitation Perales-Díaz, J., Domínguez-Vázquez, A., Fajardo, P., Ahedo, E., Faraji, F., Reza, M., & Andreussi, T. (2022). Hybrid plasma simulations of a magnetically shielded Hall thruster. In Journal of Applied Physics (Vol. 131, Issue 10, p. 103302). AIP Publishing
dc.identifier.issn 0021-8979
dc.identifier.uri http://hdl.handle.net/10016/34483
dc.description.abstract Numerical simulations of a magnetically shielded Hall effect thruster with a centrally mounted cathode are performed with an axisymmetric hybrid particle-in-cell/fluid code and are partially validated with experimental data. A full description of the plasma discharge inside the thruster chamber and in the near plume is presented and discussed, with the aim of highlighting those features most dependent on the magnetic configuration and the central cathode. Compared to traditional magnetic configurations, the acceleration region is mainly outside the thruster, whereas high plasma densities and low temperatures are found inside the thruster. Thus, magnetic shielding does not decrease plasma currents to the walls, but reduces significantly the energy fluxes, yielding low heat loads and practically no wall erosion. The injection of neutrals at the central cathode generates a secondary plasma plume that merges with the main one and facilitates much the drift of elec- trons toward the chamber. Once inside, the magnetic topology is efficient in channeling electron current away from lateral walls. Current and power balances are analyzed to assess performances in detail.
dc.description.sponsorship This work has been supported by the EDDA project, funded by the European Union’s Horizon 2020 Research and Innovation Program, under Grant Agreement No. 870470
dc.language.iso eng
dc.publisher AIP Publishing
dc.rights © 2022 Author(s)
dc.rights Atribución 3.0 España
dc.rights.uri http://creativecommons.org/licenses/by/3.0/es/
dc.title Hybrid plasma simulations of a magnetically shielded Hall thruste
dc.type article
dc.subject.eciencia Aeronáutica
dc.identifier.doi https://doi.org/10.1063/5.0065220
dc.rights.accessRights openAccess
dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/GA-870470
dc.identifier.publicationfirstpage 103302
dc.identifier.publicationissue 10
dc.identifier.publicationtitle Journal of Applied Physics
dc.identifier.publicationvolume 131
dc.identifier.uxxi AR/0000030426
dc.contributor.funder European Commission
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