A thermal integration study of various space nuclear power system (SNPS) alternatives for the Space Surveillance and Tracking System (SSTS) spacecraft was performed for the purpose of defining concepts. SNPS/SSTS integrated thermal analyses predicted SSTS surface temperatures and thermal fluxes, which were used to ascertain approximate thermal conditions and indicate thermal trends for the various SNPS/SSTS configurations studied. The three space nuclear power systems examined were the SNAP-DYN system, the modified SP-100 system, and the STAR-C system. The SP-100 created the hottest thermal environment and worst thermal impacts on the SSTS because of the size of its hot thermal radiator. The STAR-C, although operating with the hottest thermal radiator, produced only moderately hot thermal environments and impacts on the SSTS because its small size and configuration-limited SSTS exposure to the STAR-C radiator. The SNAP-DYN generated the most benign thermal environments and impacts on the SSTS because its thermal radiator, although the largest of the three SNPS studied, operates at relatively cool temperatures.
Thermal management issues with various space nuclear power alternatives on SSTS spacecraft
Vergleich der Wärmebilanz und Kühlung von mehreren alternativen Kernenergiesystemen für Aufklärungssatelliten
1989
6 Seiten, 1 Quelle
Conference paper
English
Future SSTS-A European Approach
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