Recommended practice for use of Faraday probes in electric propulsion testing

DL Brown, MLR Walker, J Szabo, W Huang… - Journal of Propulsion …, 2017 - arc.aiaa.org
Faraday probes are a common plasma diagnostic used to determine the local ion charge
flux of electric propulsion plumes. Standard practices, guidelines, and recommendations are …

A review of the impact of ground test-related facility effects on gridded ion thruster operation and performance

JE Foster, TJ Topham - Physics of Plasmas, 2024 - pubs.aip.org
A key consideration in the interpretation of ground test data of electric propulsion devices
purposed for spaceflight is understanding how facility-effects influence thruster operation …

[HTML][HTML] Performance comparison of a 9-kW magnetically shielded Hall thruster operating on xenon and krypton

LL Su, BA Jorns - Journal of Applied Physics, 2021 - pubs.aip.org
The performance of a 9-kW class magnetically shielded Hall thruster operating on xenon
and krypton propellants is experimentally characterized. Thrust and efficiency …

Background pressure effects on ion dynamics in a low-power magnetic nozzle thruster

B Wachs, B Jorns - Plasma Sources Science and Technology, 2020 - iopscience.iop.org
The effect of background neutral density on the ion acceleration region of a magnetic nozzle
thruster is investigated through a combination of theoretical models and experiment. Ion …

Effects of background pressure on SPT-140 hall thruster performance

JS Snyder, G Lenguito, JD Frieman, TW Haag… - Journal of Propulsion …, 2020 - arc.aiaa.org
The performance of many Hall thrusters has been shown to exhibit sensitivity to background
pressure in ground-based test facilities, and this property can have an impact on the …

[HTML][HTML] Non-invasive time-resolved measurements of anomalous collision frequency in a Hall thruster

ET Dale, BA Jorns - Physics of Plasmas, 2019 - pubs.aip.org
The time-resolved cross-field electron anomalous collision frequency in a Hall thruster is
inferred from minimally invasive laser-based measurements. This diagnostic is employed to …

Operation and performance of a magnetically shielded Hall thruster at ultrahigh current densities on xenon and krypton

LL Su, PJ Roberts, T Gill, W Hurley, TA Marks… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0842. vid The performance of a 9-
kW class magnetically shielded Hall thruster is characterized at 300 V discharge voltage for …

Wear trends of the 12.5 kW HERMeS Hall thruster

JD Frieman, JH Gilland, H Kamhawi… - Journal of Applied …, 2021 - pubs.aip.org
This work presents the results of over 6500 h of wear testing completed during the
maturation of the NASA 12.5 kW Hall Effect Rocket with Magnetic Shielding. Erosion of the …

Experimental performance and plume characterisation of a miniaturised 50W Hall thruster

A Gurciullo, J Jarrige, P Lascombes, D Packan - IEPC 2019, 2019 - hal.science
The performance metrics and the plume characteristics of a miniaturised Hall thruster are
investigated. The thruster is part of the ExoMG-nano propulsion platform developed by …

Performance and high-speed characterization of a 100-kW nested Hall thruster

SJ Hall, BA Jorns, SE Cusson, AD Gallimore… - Journal of Propulsion …, 2022 - arc.aiaa.org
The performance of a three-channel, 100-kW nested Hall thruster was evaluated on xenon
propellant for total powers up to 102 kW. The thruster demonstrated stable operation in all …