End-on radioisotope thermoelectric generator impact tests

Details End-on radioisotope thermoelectric generator impact tests End-on radioisotope thermoelectric generator impact tests

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..387.1425r&link_type=abstract

Space technology and applications international forum (STAIF - 97). AIP Conference Proceedings, Volume 387, pp. 1425-1434 (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 in a radioisotope thermoelectric generator (RTG). The modular GPHS design was developed to address both survivability during launch abort and return from orbit. The first two RTG Impact Tests were designed to provide information on the response of a fully loaded RTG to end-on impact against a concrete target. The results of these tests indicated that at impact velocities up to 57 m/s the converter shell and internal components protect the GPHS capsules from excessive deformation. At higher velocities, some of the internal components of the RTG interact with the GPHS capsules to cause excessive localized deformation and failure.

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