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Charge-exchange plasma environment for an ion drive spacecraftThe charge exchange plasma environment around a spacecraft that uses mercury ion thrusters for propulsion is described. The interactions between the plasma environment and the spacecraft are determined and a model which describes the propagation of the mercury charge exchange plasma is discussed. The model is extended to describe the flow of the molybdenum component of the charge exchange plasma. The uncertainties in the models for various conditions are discussed and current drain to the solar array, charge exchange plasma material deposition, and the effects of space plasma on the charge exchange plasma propagation are addressed.
Document ID
19790025080
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Kaufman, H. R. (Colorado State Univ. Pasadena, CA, United States)
Carruth, M. R., Jr. (Jet Propulsion Lab., California Inst. of Tech.)
Date Acquired
September 3, 2013
Publication Date
October 1, 1979
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
JPL-PUB-79-90
NASA-CR-162358
Accession Number
79N33251
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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