The characterization of the plasma generated by a Hall Effect thruster operating in Nitrogen and Hydrogen is presented. Measurements of the spatial profiles of the electron temperature and density of the plume have been obtained by scanning the region outside the exit plane of the thruster through a Langmuir probe. The measurements are aimed to determine the best position of a caesiated target in order to maximize the surface production of negative Hydrogen ions. The thruster has been designed as a tunable plasma source for a novel concept of a negative ion source, which could in principle benefit from some positive features of the Hall Effect thrtister; like the possibility of tuning the ion energy and the good uniformity of particle density at the channel exit, thanks to the axisymmetric magnetic field.

Fadone, M., Antoni, V., Aprile, D., Chitarin, G., Fassina, A., Martines, E., et al. (2018). Plasma characterization of a Hall effect thruster for a negative ion source concept. In AIP Conference Proceedings (pp.020009). American Institute of Physics Inc. [10.1063/1.5083727].

Plasma characterization of a Hall effect thruster for a negative ion source concept

Martines, E.;
2018

Abstract

The characterization of the plasma generated by a Hall Effect thruster operating in Nitrogen and Hydrogen is presented. Measurements of the spatial profiles of the electron temperature and density of the plume have been obtained by scanning the region outside the exit plane of the thruster through a Langmuir probe. The measurements are aimed to determine the best position of a caesiated target in order to maximize the surface production of negative Hydrogen ions. The thruster has been designed as a tunable plasma source for a novel concept of a negative ion source, which could in principle benefit from some positive features of the Hall Effect thrtister; like the possibility of tuning the ion energy and the good uniformity of particle density at the channel exit, thanks to the axisymmetric magnetic field.
No
abstract + poster
Hall thruster; negative ion source
English
Sixth International Symposium on Negative Ions, Beams and Sources (NIBS 2018)
978-0-7354-1780-9
http://scitation.aip.org/content/aip/proceeding/aipcp
Fadone, M., Antoni, V., Aprile, D., Chitarin, G., Fassina, A., Martines, E., et al. (2018). Plasma characterization of a Hall effect thruster for a negative ion source concept. In AIP Conference Proceedings (pp.020009). American Institute of Physics Inc. [10.1063/1.5083727].
Fadone, M; Antoni, V; Aprile, D; Chitarin, G; Fassina, A; Martines, E; Serianni, G; Sartori, E; Taccogna, F; Zuin, M
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/365981
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