Computer Science – Performance
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..246..389g&link_type=abstract
Proceedings of the ninth symposium on space nuclear power systems. AIP Conference Proceedings, Volume 246, pp. 389-400 (1992).
Computer Science
Performance
Lunar, Planetary, And Deep-Space Probes, Mars, Propulsion Reactors
Scientific paper
Nuclear electric propulsion is investigated for suitability to ``fast'' piloted Mars mission of approximateley 400 days or less duration using Split opposition mission scenarios with 30 day stay and Earth Crew Capture Vehicle return. Mission performance was assessed for a range of NEP technologies. Modular NEP systems utilizing SP-100 reactor, potassium Rankine power conversion, and argon ion thruster technologies were found to enable 400 day class missions with total power levels of only 10 to 15 MWe. More advanced NEP technologies, such as higher temperature lithium-cooled reactors with 1500 K potassium Rankine power conversion, were found to allow missions of one year duration at a 15 MWe power level. Highly advanced NEP systems, characterized by specific masses of 3 kg/kWe, could some day allow 300 day missions for power levels of 40 MWe. Mars cargo mission analysis is performed to assess total mass requirements for a Split mission. Various mission options are compared, including Split versus All-Up mission scenarios, propulsive versus aerocapture Earth crew return, and reusable versus expendable strategies.
Dudzinski Leonard A.
George Jeffery A.
Hack Kurt J.
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