Other
Scientific paper
Jan 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..458.1293e&link_type=abstract
Space technology and applications international forum -1999. AIP Conference Proceedings, Volume 458, pp. 1293-1300 (1999).
Other
Thermoelectric, Electrogasdynamic And Other Direct Energy Conversion, Spaceborne And Space Research Instruments, Apparatus, And Components
Scientific paper
A number of design changes for improving the performance of super-alloy AMTEC cells, and options of integrating them to General Purpose Heat Source (GPHS) modules in the configuration proposed by Advanced Modular Power Systems were investigated, for satisfying the electric power requirements for the Pluto/Express mission. A power system consisting of 6 fresh-fuel GPHS modules and 48, 7-tube super-alloy cells connected electrically in 4 parallel strings would weight 28.75 kg and provide 174 We at EOM, at an efficiency of 13.2%. The cells' BASE brazes and evaporator temperatures would be below 1059 K and 971 K, respectively. A power system consisting of 5 fresh-fuel GPHS modules and 4 parallel strings of 8, 9-tube cells each would deliver 156 We at EOM and weight only 24.53 kg. In this system, the AMTEC cells would also operate at low BASE brazes and evaporator temperatures (1071 K and 995 K, respectively).
El-Genk Mohamed S.
James Ralph
Mayberry Clay
Tournier Jean-Michel
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