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Testing of a spacecraft model in a combined environment simulatorA scale model of a satellite was tested in a large vacuum facility under electron bombardment and vacuum ultraviolet radiation to investigate the charging of dielectric materials on curved surfaces. The model was tested both stationary and rotating relative to the electron sources as well as grounded through one megohm and floating relative to the chamber. Surface potential measurements are presented and compared with the predictions of computer modelling of the stationary tests. Discharge activity observed during the stationary tests is discussed and signals from sensing devices located inside and outside of the model are presented.
Document ID
19820003233
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Staskus, J. V. (NASA Lewis Research Center Cleveland, OH, United States)
Roche, J. C. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1981
Subject Category
Spacecraft Design, Testing And Performance
Report/Patent Number
E-1024
NASA-TM-82723
Meeting Information
Meeting: Ann. Conf. on Nucl. and Space Radiation Effects,
Location: Seattle, WA
Country: United States
Start Date: July 20, 1981
End Date: July 24, 1981
Accession Number
82N11106
Funding Number(s)
PROJECT: RTOP 506-55-72
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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