Computer Science
Scientific paper
Jan 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001iaop.work...76s&link_type=abstract
Forum on Innovative Approaches to Outer Planetary Exploration 2001-2020, p. 76
Computer Science
Thermoelectric Generators, Stirling Engines, Spacecraft Power Supplies, Deep Space, Space Missions, Space Exploration
Scientific paper
The NASA Glenn Research Center (GRC) and the Department of Energy (DOE) are developing a free-piston Stirling convertor for a Stirling Radioisotope Power System (SRPS) to provide on-board electric power for future NASA deep space missions. The SRPS currently being developed provides about 100 watts and reduces the amount of radioisotope fuel by a factor of four over conventional Radioisotope Thermoelectric Generators (RTG). The present SRPS design has a specific power of approximately 4 W/kg which is comparable to an RTG. GRC estimates for advanced versions of the SRPS with improved heat source integration, lightweight Stirling convertors, composite radiators, and chip-packaged controllers improves the specific mass to about 8 W/kg. Additional information is contained in the original extended abstract.
Mason Lee S.
Schreiber Jeffrey G.
Shaltens Richard K.
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