TITLE

Transition in electron transport in a cylindrical Hall thruster

AUTHOR(S)
Parker, J. B.; Raitses, Y.; Fisch, N. J.
PUB. DATE
August 2010
SOURCE
Applied Physics Letters;8/30/2010, Vol. 97 Issue 9, p091501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
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.
ACCESSION #
53421662

 

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