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Facility produced charge-exchange ionsThese facility produced ions are created by charge-exchange collisions between neutral atoms and energetic thruster beam ions. The result of the electron transfer is an energetic neutral atom and an ion of only thermal energy. There are true charge-exchange ions produced by collisions with neutrals escaping from the ion thruster and being charge-exchange ionized before the neutral intercepts the tank wall. The facility produced charge-exchange ions will not exist in space and therefore, represent a source of error where measurements involving ion thruster plasmas and their density are involved. The quantity of facility produced ions in a test chamber with a 30 cm mercury ion thruster was determined.
Document ID
19810008614
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Carruth, M. R., Jr.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 11, 2013
Publication Date
January 15, 1981
Publication Information
Publication: Exptl. and Anal. Evaluation of Ion Thruster(Spacecraft Interactions
Subject Category
Spacecraft Propulsion And Power
Accession Number
81N17134
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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