Exempting Spacecraft Units from Thermal Vacuum Testing - Part 2: Application

Details Exempting Spacecraft Units from Thermal Vacuum Testing - Part 2: Application Exempting Spacecraft Units from Thermal Vacuum Testing - Part 2: Application

Aug 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.558..283w&link_type=abstract

Proceedings of the 5th International Symposium on Environmental Testing for Space Programmes Noordwijk, The Netherlands (ESA SP-

Computer Science

Performance

Scientific paper

Spacecraft electronic boxes have historically been subjected to thermal cycle and thermal vacuum testing at the unit level. In an effort to reduce costs and shorten development schedules, many unit developers are deferring the thermal vacuum test to a higher level of testing. When it can be demonstrated that the unit's design and performance are insensitive to vacuum, eliminating the unit-level thermal vacuum test may be performed without a significant risk increase to the program. In this event, it is assumed that unit-level failure detection and performance verification are accomplished in the thermal cycle test. In this work, the application of thermal-sensitivity criteria is demonstrated with design and performance data from actual electronic boxes.

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