Nuclear thermal rockets - Key to moon-Mars exploration

Details Nuclear thermal rockets - Key to moon-Mars exploration Nuclear thermal rockets - Key to moon-Mars exploration

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aeam...30...34b&link_type=abstract

Aerospace America (ISSN 0740-722X), vol. 30, no. 7, July 1992, p. 34-37, 48.

Physics

Earth Orbital Environments, Lunar Exploration, Mars (Planet), Nasa Space Programs, Nuclear Propulsion, Cermets, Heavy Lift Launch Vehicles, Life Cycle Costs, Nuclear Reactors

Scientific paper

The Space Exploration Initiative (SEI) calls for lunar and Martian exploration missions for which solid-core nuclear thermal rockets (NTRs), in virtue of their single-stage, fully-reusable nature, are ideally suited. NTRs promise double the specific impulse of chemical propulsion. A lunar mission employing a reusable NTR is currently being conducted by NASA. The NTR would be assembled in LEO in such a way that it remained 'radioactively cold' during earth-to-orbit deployment by a heavy-lift chemical booster, and therefore presented no radioactive hazard. Also under consideration is a particle-bed reactor in which the hydrogen propulsive fluid directly cools coated-particle fuel spheres.

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