Two radiator systems to reject heat from future space nuclear power systems were conceptually designed. One design would dissipate 1.7 MWt of heat at 600 K, and the other would reject 2.4 MWt at 875 K. The low-temperature radiator utilized a pump loop system constructed of titanium, and achieved a specific mass of 5.8 kg/m2, including pumps and structure. The high-temperature radiator system utilized potassium heat pipes constructed of SiC-reinforced titanium, and achieved a specific mass of 5.5 kg/m2. Both radiators took advantage of light, high-thermal-conductivity carbon/graphite composite fins to distribute and radiate the rejected heat.
Advanced radiator concepts
Fortschrittliche Konzepte für Strahlungskühler
1989
6 Seiten
Conference paper
English
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