Recent progress in research and development of hollow cathodes for electric propulsion
Electric thrusters are finding increasing usage worldwide in spacecraft applications.
Significant progress has been made in recent years in the modeling and performance of …
Significant progress has been made in recent years in the modeling and performance of …
An overview of discharge plasma modeling for Hall effect thrusters
K Hara - Plasma Sources Science and Technology, 2019 - iopscience.iop.org
The current status and challenges of the discharge plasma modeling capabilities in Hall
effect thrusters (HETs) are reviewed. Partially magnetized plasmas in HETs present unique …
effect thrusters (HETs) are reviewed. Partially magnetized plasmas in HETs present unique …
[HTML][HTML] Perspectives, frontiers, and new horizons for plasma-based space electric propulsion
There are a number of pressing problems mankind is facing today that could, at least in part,
be resolved by space systems. These include capabilities for fast and far-reaching …
be resolved by space systems. These include capabilities for fast and far-reaching …
[HTML][HTML] Physics of E× B discharges relevant to plasma propulsion and similar technologies
This paper provides perspectives on recent progress in understanding the physics of
devices in which the external magnetic field is applied perpendicular to the discharge …
devices in which the external magnetic field is applied perpendicular to the discharge …
[HTML][HTML] Plasma hollow cathodes
Hollow cathode plasma discharges are a fundamental part of a large variety of applications
in industry, academia, and space. From surface processing and coatings deposition to …
in industry, academia, and space. From surface processing and coatings deposition to …
Hollow cathode modeling: I. A coupled plasma thermal two-dimensional model
G Sary, L Garrigues, JP Boeuf - Plasma Sources Science and …, 2017 - iopscience.iop.org
A two-dimensional axisymmetric quasi-neutral fluid model of an emissive hollow cathode
that includes neutral xenon, single charge ions and electrons has been developed. The gas …
that includes neutral xenon, single charge ions and electrons has been developed. The gas …
Plasma simulations in 2-D (rz) geometry for the assessment of pole erosion in a magnetically shielded Hall thruster
A Lopez Ortega, IG Mikellides, MJ Sekerak… - Journal of Applied …, 2019 - pubs.aip.org
Magnetic shielding of Hall thrusters has been shown to reduce erosion of the channel walls
by at least a few orders of magnitude, thereby enabling the use of these devices in deep …
by at least a few orders of magnitude, thereby enabling the use of these devices in deep …
Hollow cathode modeling: II. Physical analysis and parametric study
G Sary, L Garrigues, JP Boeuf - Plasma Sources Science and …, 2017 - iopscience.iop.org
A numerical emissive hollow cathode model which couples plasma and thermal aspects of
the NASA NSTAR cathode has been presented in a companion paper and simulation results …
the NASA NSTAR cathode has been presented in a companion paper and simulation results …
[HTML][HTML] Wave-driven non-classical electron transport in a low temperature magnetically expanding plasma
The presence of instabilities in a low density, low temperature plasma expanding through an
axially symmetric magnetic nozzle is investigated in the context of non-classical electron …
axially symmetric magnetic nozzle is investigated in the context of non-classical electron …
Propagation of ion acoustic wave energy in the plume of a high-current hollow cathode
A frequency-averaged quasilinear model is derived and experimentally validated for the
evolution of ion acoustic turbulence (IAT) along the centerline of a 100-A class, LaB 6 hollow …
evolution of ion acoustic turbulence (IAT) along the centerline of a 100-A class, LaB 6 hollow …