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Comparison of NASCAP modelling results with lumped circuit analysisEngineering design tools that can be used to predict the development of absolute and differential potentials by realistic spacecraft under geomagnetic substorm conditions are described. Two types of analyses are in use: (1) the NASCAP code, which computes quasistatic charging of geometrically complex objects with multiple surface materials in three dimensions; (2) lumped element equivalent circuit models that are used for analyses of particular spacecraft. The equivalent circuit models require very little computation time, however, they cannot account for effects, such as the formation of potential barriers, that are inherently multidimensional. Steady state potentials of structure and insulation are compared with those resulting from the equivalent circuit model.
Document ID
19820006382
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Stang, D. B.
(NASA Lewis Research Center Cleveland, OH, United States)
Purvis, C. K.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 10, 2013
Publication Date
October 1, 1980
Publication Information
Publication: Spacecraft Charging Technol., 1980
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
82N14255
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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