Statistics – Applications
Scientific paper
Jul 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989sbsp.work..317h&link_type=abstract
In its Second Beamed Space-Power Workshop p 317-327 (SEE N90-10140 01-20)
Statistics
Applications
Beams (Radiation), Laser Applications, Laser Power Beaming, Mars (Planet), Roving Vehicles, Solar Energy Conversion, Solar Power Satellites, Diodes, Electric Batteries, Mars Surface, Orbits, Specifications
Scientific paper
Two rover concepts were considered: an unpressurized skeleton vehicle having available 4.5 kW of electrical power and limited to a range of about 10 km from a temporary Martian base and a much larger surface exploration vehicle (SEV) operating on a maximum 75-kW power level and essentially unrestricted in range or mission. The only baseline reference system was a battery-operated skeleton vehicle with very limited mission capability and range and which would repeatedly return to its temporary base for battery recharging. It was quickly concluded that laser powering would be an uneconomical overkill for this concept. The SEV, on the other hand, is a new rover concept that is especially suited for powering by orbiting solar or electrically pumped lasers. Such vehicles are visualized as mobile habitats with full life-support systems onboard, having unlimited range over the Martian surface, and having extensive mission capability (e.g., core drilling and sampling, construction of shelters for protection from solar flares and dust storms, etc.). Laser power beaming to SEV's was shown to have the following advantages: (1) continuous energy supply by three orbiting lasers at 2000 km (no storage requirements as during Martian night with direct solar powering); (2) long-term supply without replacement; (3) very high power available (MW level possible); and (4) greatly enhanced mission enabling capability beyond anything currently conceived.
Harries W. L.
Meador W. E.
Miner G. A.
Schuster Gregory L.
Walker Gilbert H.
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