NDLI: Analytical Discharge Model for RF Ion Thrusters

Content Provider	IEEE Xplore Digital Library
Author	Goebel, D.M.
Copyright Year	1973
Abstract	A comprehensive 0-D model of the plasma discharge in magnetic ring-cusp ion thrusters was previously developed. The model utilizes conservation of particles into and out of the ion thruster and conservation of energy into the discharge and out of the plasma, and provided the first closed solution for predicting ion-thruster discharge chamber performance. The 0-D discharge model was benchmarked against the performance measured on several ion thrusters, and successfully predicts the discharge loss as a function of mass utilization efficiency. The analytical model has been modified to handle the discharge chamber configurations and the different magnetic confinement physics found in RF ion thrusters. In these ion thrusters, there is no applied magnetic field to provide confinement of the electrons and ions, but the ac magnetic field induced by the inductively coupled RF coil affects the particle confinement and transport and is important in determining the discharge loss and thruster performance. The modifications to the model required to address the physics of RF thrusters will be discussed, and results showing the predicted ion thruster performance will be presented.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	2111
Ending Page	2121
Page Count	11
File Size	895933
File Format	PDF
ISSN	00933813
Volume Number	36
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Analytical models Radio frequency Predictive models Magnetic confinement Plasma measurements Performance loss Magnetic field measurement Physics Magnetic analysis Loss measurement plasma generation Gas discharges ion engines
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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