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1 November 1990 Laboratory study of electrostatic charging of contaminated Ulysses spacecraft thermal blankets
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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.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Arthur Timothy Chen, Christopher G. Shaw, and Jim H. Mabe "Laboratory study of electrostatic charging of contaminated Ulysses spacecraft thermal blankets", Proc. SPIE 1329, Optical System Contamination: Effects, Measurement, Control II, (1 November 1990); https://doi.org/10.1117/12.22618
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