Subselenean tunneler melting head design: A preliminary study

Details Subselenean tunneler melting head design: A preliminary study Subselenean tunneler melting head design: A preliminary study

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988stin...8917058e&link_type=abstract

Unknown

Physics

Lunar Bases, Lunar Surface, Melting, Tunneling (Excavation), Underground Structures, Glass, Lunar Environment, Regolith, Space Colonies, Strip Mining

Scientific paper

The placement of base facilities in subsurface tunnels created as a result of subsurface mining is described as an alternative to the establishing of a base on the lunar surface. Placement of the base facilities and operations in subselenean tunnels will allow personnel to live and work free from the problem of radiation and temperature variations. A conceptual design for a tunneling device applicable to such a lunar base application was performed to assess the feasibility of the concept. A tunneler was designed which would melt through the lunar material leaving behind glass lined tunnels for later development. The tunneler uses a nuclear generator which supplies the energy to thermally melt the regolith about the cone shaped head. Melted regolith is exacavated through intakes in the head and transferred to a truck which hauls it to the surface. The tunnel walls are solidified to provide support lining by using an active cooling system about the mid section of the tunneler. Also addressed is the rationale for a subselenean tunneler and the tunneler configuration and subsystems, as well as the reasoning behind the resulting design.

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