Optimization of spacecraft high temperature outgassing durationSpacecraft systems are baked-out under vacuum to remove occluded and adsorbed gases, solvents, water, plasticizer, and other materials acquired during their manufacture. Two bakeouts of solar panels were carried out. Quartz crystal microbalances installed in the vacuum chamber during the tests and held at 273 K (0 C) provided an ongoing measure of the panels' outgassing. From these data, the panels' material weight losses versus time were obtained. A comparison of the total weight loss expected during a relatively long bakeout with that accomplished during a reasonable period of time was used as a criteria for an acceptable duration of the bakeout in order to optimize cost effectiveness.
Document ID
19740053271
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Scialdone, J. J.
Kruger, R. (NASA Goddard Space Flight Center Space Simulation Research Section, Greenbelt, Md., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1974
Subject Category
Facilities, Research, And Support
Meeting Information
Meeting: Annual Meeting on the Cost effectiveness in the environmental sciences