In-orbit demonstration of an iodine electric propulsion system

D Rafalskyi, JM Martínez, L Habl, E Zorzoli Rossi… - Nature, 2021 - nature.com
Propulsion is a critical subsystem of many spacecraft,,–. For efficient propellant usage,
electric propulsion systems based on the electrostatic acceleration of ions formed during …

Development and validation of an iodine plasma model for gridded ion thrusters

T Lafleur, L Habl, EZ Rossi… - Plasma Sources Science …, 2022 - iopscience.iop.org
Iodine is emerging as an attractive alternative propellant to xenon for several electric
propulsion technologies due to its significantly lower cost and its ability to be stored …

[HTML][HTML] Data processing techniques for ion and electron-energy distribution functions

A Caldarelli, F Filleul, RW Boswell, C Charles… - Physics of …, 2023 - pubs.aip.org
Retarding field energy analyzers and Langmuir probes are routinely used to obtain ion and
electron-energy distribution functions (IEDF and EEDF). These typically require knowledge …

[HTML][HTML] Charged aerodynamics: Ionospheric plasma drag on objects in low-Earth orbit

T Lafleur - Acta Astronautica, 2023 - Elsevier
Abstract Objects in Low-Earth Orbit (LEO) experience a range of environmental conditions
that influence their trajectories. Aside from gravitational effects and solar radiation pressure …

Faraday cup sizing for electric propulsion ion beam study: Case of a field-emission-electric propulsion thruster

V Hugonnaud, S Mazouffre, D Krejci - Review of Scientific Instruments, 2021 - pubs.aip.org
This article provides information about the sizing and standardization of a Faraday cup (FC)
used as a plasma diagnostic. This instrument is used to accurately map the ion beam profile …

Iodine Electric Propulsion System Thrust Validation: From Numerical Modeling to In-Space Testing

O Jia-Richards, T Lafleur - Journal of Propulsion and Power, 2023 - arc.aiaa.org
In this paper, we complete a full-thrust audit of an iodine-based gridded ion thruster. Prior
results have demonstrated excellent agreement between indirect and direct laboratory thrust …

Optimization of a Faraday cup collimator for electric propulsion device beam study: Case of a Hall thruster

H Valentin, M Stéphane - Applied Sciences, 2021 - mdpi.com
Featured Application Over the last decade electric propulsion devices have evolved from
laboratory units to qualified space hardware. Due to the diversity of concepts numerous …

Secondary electron emission due to multi-species iodine ion bombardment of different target materials

L Habl, D Rafalskyi, T Lafleur - Journal of Applied Physics, 2021 - pubs.aip.org
Ion-induced secondary electron emission (SEE) is a fundamental surface interaction that
strongly influences many plasma discharges. Recently, interest in iodine plasmas is growing …

Method for Calculating Thrust Vector Eccentricity Angle of Electric Thruster

X Liu, H Li, J Tang, Y Ding, L Wei, D Yu, Y Hu - AIAA Journal, 2022 - arc.aiaa.org
The installation of a propulsion device in space missions requires the thrust vector to be in
line with the centroid of the satellite platform. If the installation is eccentric, interference …

Investigation of DC and RF biased gridded ion thruster plume phenomena

LTC Habl - 2022 - theses.hal.science
In recent years, two promising technologies emerged to improve the performance and
decrease the cost of ion thrusters; RF biasing of ion acceleration grids and the use of iodine …