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Energetic ion production and electrode erosion in hollow cathode dischargesIons with energies significantly in excess of the discharge voltage have been reported in high current hollow cathode discharges. Models of DC potential hills downstream of the cathode and ion acoustic instabilities in a double layer postulated in the cathode orifice have been proposed to explain these energetic ions, but have not been substantiated in experiments.
Document ID
20060042941
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
hdl:2014/37647
Authors
Goebel, Dan M.
Jameson, Kristina
Katz, Ira
Mikellides, Ioannis
Date Acquired
August 23, 2013
Publication Date
October 1, 2005
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: 29th International Electric Propulsion Conference
Location: Princeton, NJ
Country: United States
Start Date: October 31, 2005
End Date: November 4, 2005
Distribution Limits
Public
Copyright
Other
Keywords
ion thruster
electric propulsion
hollow cathode keeper erosion

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