Transition in electron transport in a cylindrical Hall thruster

J. B. Parker, Y. Raitses, N. J. Fisch

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Abstract

Through the use of high-speed camera and Langmuir probe measurements in a cylindrical Hall thruster, we report the discovery of a rotating spoke of increased plasma density and light emission which correlates with increased electron transport across the magnetic field. As cathode electron emission is increased, a sharp transition occurs where the spoke disappears and electron transport decreases. This suggests that a significant fraction of the electron current might be directed through the spoke.

Original languageEnglish (US)
Article number091501
JournalApplied Physics Letters
Volume97
Issue number9
DOIs
StatePublished - Aug 30 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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