Performance and plume characteristics of an 85 W class Hall thruster
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DOI: 10.1016/j.actaastro.2019.07.042
Abstract: Abstract An 85 W class Hall thruster with inner and outer electromagnetic coils was developed, and its thrust performance and plume characteristics were experimentally evaluated. The 85-W Hall thruster required a maximum magnetic flux density along… read more here.
Keywords: hall; hall thruster; class hall; performance plume ... See more keywords
Performance optimization of a krypton Hall thruster with a rotating propellant supply
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.03.021
Abstract: Abstract The use of krypton in the field of electric propulsion has become a key research topic owing to its high specific impulse and high reserves. However, because krypton has features such as a small… read more here.
Keywords: supply; propellant supply; hall thruster; rotating propellant ... See more keywords
Application of a microwave cathode to a 200-W Hall thruster with comparison to a hollow cathode
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.06.049
Abstract: Abstract A hollow cathode is an efficient electron source in the self-heating mode utilizing the discharge power. However, in sub-ampere currents, it needs keeper power to maintain the thermionic electron discharge, which could decrease the… read more here.
Keywords: cathode; hall thruster; cathode 200; microwave cathode ... See more keywords
Influences of cathode position on operations and thrust performance of side by side Hall thruster system
Sign Up to like & getrecommendations! Published in 2019 at "Vacuum"
DOI: 10.1016/j.vacuum.2018.12.056
Abstract: Abstract High-power electric propulsion systems are promising for future large-scale space missions. To develop a high-power Hall thruster cluster system, researchers at the Gifu University have been investigating the effects of plume interference using 500 W… read more here.
Keywords: thrust performance; position; side side; side ... See more keywords
Single electron dynamics in a Hall thruster electromagnetic field profile
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.4982685
Abstract: In this work, the single electron dynamics in a simplified three dimensional Hall thruster model is studied. Using Hamiltonian formalism and the concept of limiting curves, one is able to determine confinement conditions for the… read more here.
Keywords: electron dynamics; electromagnetic field; single electron; hall thruster ... See more keywords
ID-HALL, a new double stage Hall thruster design. II. Experimental characterization of the inductive ionization source
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5043355
Abstract: Double Stage Hall Thrusters (DSHTs) are designed to allow separate control of ionization and ion acceleration by adding a plasma source (ionization stage) upstream of the magnetic field barrier (acceleration stage) of a standard Hall… read more here.
Keywords: hall; hall thruster; stage; ionization ... See more keywords
Influence of a power supply model on simulated Hall thruster discharge voltage oscillations
Sign Up to like & getrecommendations! Published in 2019 at "AIP Advances"
DOI: 10.1063/1.5063440
Abstract: Hall thrusters are spacecraft propulsion devices that generate and accelerate plasma to provide thrust. Despite the use of constant voltage supplies to power these devices, complex finite-rate and convective effects lead to significant discharge current… read more here.
Keywords: voltage; influence power; hall thruster; model ... See more keywords
Growth of the modified two-stream instability in the plume of a magnetically shielded Hall thruster
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Plasmas"
DOI: 10.1063/5.0020075
Abstract: The electrostatic dispersion relation for an unbounded homogeneous plasma in the presence of unmagnetized ions, magnetized electrons, and an applied magnetic field has been solved numerically in the near-plume of a magnetically shielded Hall thruster.… read more here.
Keywords: hall thruster; plume magnetically; shielded hall; magnetically shielded ... See more keywords
Operation of a low-power Hall thruster: comparison between magnetically unshielded and shielded configuration
Sign Up to like & getrecommendations! Published in 2019 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ab080d
Abstract: The operation of a 250 W low-power Hall thruster called ISCT-200 has been studied using a two-dimensional hybrid model. Two different magnetic field topologies have been tested. One topology is called the unshielded configuration and… read more here.
Keywords: field; power hall; low power; configuration ... See more keywords
Facility pressure effects on a Hall thruster with an external cathode: I. Numerical simulations
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DOI: 10.1088/1361-6595/ab6c7e
Abstract: We employ the 2-D (r-z) code Hall2De to conduct numerical simulations of the SPT-140, a Hall thruster that operates with an external hollow cathode. The simulations are informed by direct measurements of the plasma conditions… read more here.
Keywords: hall thruster; cathode; numerical simulations; facility pressure ... See more keywords
Macroscopic plasma analysis from 1D-radial kinetic results of a Hall thruster discharge
Sign Up to like & getrecommendations! Published in 2021 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ac325e
Abstract: A radial particle-in-cell model of the weakly-collisional plasma discharge in a Hall thruster, provides the non-Maxwellian velocity distribution functions (VDF) of ions and electrons. The model considers a radial magnetic field, secondary electron emission from… read more here.
Keywords: plasma; hall thruster; discharge; electron ... See more keywords