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Proceedings Paper

Laboratory study of electrostatic charging of contaminated Ulysses spacecraft thermal blankets
Author(s): Arthur Timothy Chen; Christopher G. Shaw; Jim H. Mabe
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Paper Abstract

A laboratory study has been performed by Boeing Aerospace Electronics under the sponsorship of the Air Force to investigate the effects of contamination on the electrostatic charging phenomena of spacecraft thermal blankets for the Ulysses mission. Induced contamination by the upperstage PAM-S Star-48B motor nozzle post-burn outgassing was studied for three types of electrically conductive thermal blankets: indium-tin-oxide-coated electrodag-coated and aluminized Kapton. Blanket samples were irradiated with 50 eV electrons at temperatures ranging from 25C to -100C and contaminant deposition thicknesses ranging from 200 to 3000 A (assuming specific gravity of 1. 0). The experimental results show that the charging characteristics of all three contaminated blankets are similar. Charge accumulation was observed to be a strong function of contaminant deposition temperature and a non-linear function of primary electron flux. 1.

Paper Details

Date Published: 1 November 1990
PDF: 13 pages
Proc. SPIE 1329, Optical System Contamination: Effects, Measurement, Control II, (1 November 1990); doi: 10.1117/12.22618
Show Author Affiliations
Arthur Timothy Chen, Boeing Aerospace and Electronics Co. (Hong Kong)
Christopher G. Shaw, Boeing Aerospace and Electroni (United States)
Jim H. Mabe, Boeing Aerospace and Electronics Co. (United States)

Published in SPIE Proceedings Vol. 1329:
Optical System Contamination: Effects, Measurement, Control II
A. Peter M. Glassford, Editor(s)

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