Table of Contents
Aerospace, Volume 7, Issue 5 (May 2020) – 17 articles
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Cover Story (view full-size image) Compared to their chemical counterpart, electric propulsion devices are well suited for nano- and [...] Read more. Compared to their chemical counterpart, electric propulsion devices are well suited for nano- and micro-satellites (1–200 kg) operations. Among all technologies, Hall thrusters currently offer the highest thrust density and thrust-to-power ratio. Nonetheless, it is known that low-power Hall thrusters exhibit performances below mid- and high-power devices due to a larger surface-to-volume ratio. Examination of small Hall thruster current density distribution, ion current, and ion energy content in the far field is essential to verify whether the size also has an impact on plasma plume characteristics. Here measurement outcomes around 100 W are compared to higher power Hall thrusters far-field plume characterizations. View this paper.