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Luca Leporini, Ferhat Yaman, Tommaso Andreussi and Vittorio Giannetti
Hall thrusters are plasma-based devices that have established themselves as one of the most attractive and mature electric propulsion technologies for space applications. These devices often operate in a regime characterized by low frequency, large ampli...
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Sang Hun Kang
To develop technologies for the stable operation of electric propulsion systems, the effects of charge exchange (CEX) on the exhaust plume of a Hall thruster were studied using the particle-in-cell direct simulation Monte Carlo (PIC-DSMC) method. For the...
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Min Young Yoo, Jung Heon Lee, Joo-Ho Choi, Jae Sung Huh and Woosuk Sung
This paper proposes a framework for accurately estimating the state-of-charge (SOC) and current sensor bias, with the aim of integrating it into urban air mobility (UAM) with hybrid propulsion. Considering the heightened safety concerns in an airborne en...
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Hugonnaud Valentin and Mazouffre Stéphane
Over the last decade electric propulsion devices have evolved from laboratory units to qualified space hardware. Due to the diversity of concepts numerous electric thruster technologies are available on the new space market. Each technology has a specifi...
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Ethan P. Hopping, Wensheng Huang and Kunning G. Xu
This paper presents the design and performance of the UAH-78AM, a low-power small Hall effect thruster. The goal of this work is to assess the feasibility of using low-cost 3D printing to create functioning Hall thrusters, and study how 3D printing can e...
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Vittorio Giannetti, Manuel Martín Saravia, Luca Leporini, Simone Camarri and Tommaso Andreussi
One of the main oscillatory modes found ubiquitously in Hall thrusters is the so-called breathing mode. This is recognized as a relatively low-frequency (10?30 kHz), longitudinal oscillation of the discharge current and plasma parameters. In this paper, ...
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Antonio Piragino, Farbod Faraji, Maryam Reza, Eugenio Ferrato, Annalisa Piraino and Tommaso Andreussi
The paper reports the characterization results of a 20 kW-class magnetically shielded Hall thruster in three different configurations and operating with a centrally mounted cathode. The characterization was carried out at two different pumping speeds in ...
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Matthew Baird, Thomas Kerber, Ron McGee-Sinclair and Kristina Lemmer
Hall effect thrusters (HETs) are an increasingly utilized proportion of electric propulsion devices due to their high thrust-to-power ratio. To enable an accessible research thruster, our team used inexpensive materials and simplified structures to fabri...
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Ethan Dale, Benjamin Jorns and Alec Gallimore
The research challenges for electric propulsion technologies are examined in the context of s-curve development cycles. It is shown that the need for research is driven both by the application as well as relative maturity of the technology. For flight qu...
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Daniela Pedrini, Cosimo Ducci, Ugo Cesari, Tommaso Misuri and Mariano Andrenucci
SITAEL is active in the field of electric propulsion and is involved in the development of different thruster technologies?mainly Hall thrusters (HTs)?of power levels ranging from 100 W up to 20 kW. Low-power HTs are the most effective choice to perform ...
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