Lunar surface fission power supplies: Radiation issues

Details Lunar surface fission power supplies: Radiation issues Lunar surface fission power supplies: Radiation issues

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994iece.conf....7h&link_type=abstract

Presented at the 29th Intersociety Energy Conversion Engineering Conference, Monterey, CA, 7-12 Aug. 1994

Computer Science

Fission, Lunar Bases, Lunar Rocks, Lunar Surface, Radiation Transport, Regolith, Feasibility, Space Power Reactors

Scientific paper

A lunar space fission power supply shield that uses a combination of lunar regolith and materials brought from earth may be optimal for early lunar outposts and bases. This type of shield can be designed such that the fission power supply does not have to be moved from its landing configuration, minimizing handling and required equipment on the lunar surface. Mechanisms for removing heat from the lunar regolith are built into the shield, and can be tested on earth. Regolith activation is greatly reduced compared with a shield that uses only regolith, and it is possible to keep the thermal conditions of the fission power supply close to these seen in free space. For a well designed shield, the additional mass required to be brought from earth should be less than 1000 kg. Detailed radiation transport calculations confirm the feasibility of such a shield.

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