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Cited by 30Low-Pressure Plasma Processing and DiagnosticsVacuum and Plasma ArcsDust and Plasma Wave Phenomena

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Kinetic electron model for plasma thruster plumes

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Merino, Mario, Mauriño, Javier, Ahedo, Eduardo·2018·Plasma Sources Science and Technology
DOI 10.1088/1361-6595/aab3a1
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Abstract

A paraxial model of an unmagnetized, collisionless plasma plume expanding into vacuum is presented. Electrons are treated kinetically, relying on the adiabatic invariance of their radial action integral for the integration of Vlasov's equation, whereas ions are treated as a cold species. The quasi-2D plasma density, self-consistent electric potential, and electron pressure, temperature, and heat fluxes are analyzed. In particular, the model yields the collisionless cooling of electrons, which differs from the Boltzmann relation and the simple polytropic laws usually employed in fluid and hybrid PIC/fluid plume codes.

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  • At low electron temperatures, the contribution of metastable states to the total ionization rate can be relevant.

    “Additionally, the ionization rates of the ground state and of these two metastable states are also reported, showing that, at low electron temperatures, the contribution of metastable states to the total ionization rate can be relevant.”

    From Plasma propulsion modeling with particle-based algorithms (2023) · cites this paper as [283]

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Research works printed but not linked: 38

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Metadata

Authors
Merino, M., Mauriño, J., & Ahedo, E.
Affiliations
Universidad Carlos III de Madrid (ES)
Corresponding author
Merino, Mario
ORCID
Venue
Plasma Sources Science and Technology
Publisher
IOP Publishing
Published
2018-03-01
Volume
27
Issue
3
Pages
035013
ISSN
  • 0963-0252 (ISSN-L)
  • 1361-6595
DOI
10.1088/1361-6595/aab3a1
OpenAlex
W2791151390
Cited by
30
References
0
Citations by year
2026: 2 · 2025: 2 · 2024: 3 · 2023: 5 · 2022: 4 · 2021: 3 · 2020: 5 · 2019: 4 · 2018: 2
FWCI
1.34
Type
journal article
Language
en
Open access
Licence
Locations
  • Plasma Sources Science and Technology (publishedVersion)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (acceptedVersion, other-oa)
  • e-Archivo (Carlos III University of Madrid) (submittedVersion, other-oa)
Funders
European Space Agency (4000116180/15/NL/PS)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Low-Pressure Plasma Processing and Diagnostics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Vacuum and Plasma Arcs
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Dust and Plasma Wave Phenomena
Keywords
collisionless plasma, Vlasov equation, adiabatic invariance, electron cooling, electron pressure, electron heat flux, unmagnetized plasma

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