High-silicon 238PuO2 fuel characterization study: Half module impact tests

Details High-silicon 238PuO2 fuel characterization study: Half module impact tests High-silicon 238PuO2 fuel characterization study: Half module impact tests

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387.1435r&link_type=abstract

Space technology and applications international forum (STAIF - 97). AIP Conference Proceedings, Volume 387, pp. 1435-1442 (1997

Other

Spaceborne And Space Research Instruments, Apparatus, And Components, Thermoelectric, Electrogasdynamic And Other Direct Energy Conversion, Mechanical Testing, Impact Tests, Static And Dynamic Loads

Scientific paper

The General-Purpose Heat Source (GPHS) provides power for space missions by transmitting the heat of 238Pu decay to an array of thermoelectric elements. The modular GPHS design was developed to address both survivability during launch abort and return from orbit. Previous testing conducted in support of the Galileo and Ulysses missions documented the response of GPHSs to a variety of fragment-impact, aging, atmospheric reentry, and Earth-impact conditions. The evaluations documented in this report are part of an ongoing program to determine the effect of fuel impurities on the response of the heat source to conditions baselined during the Galileo/Ulysses test program. In the first two tests in this series, encapsulated GPHS fuel pellets containing high levels of silicon were aged, loaded into GPHS module halves, and impacted against steel plates. The results show no significant differences between the response of these capsules and the behavior of relatively low-silicon fuel pellets tested previously.

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