Computer Science – Performance
Scientific paper
Jul 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987stin...8920545p&link_type=abstract
Presented at the Case for Mars III, Boulder, CO, 18-22 Jul. 1987; sponsored in part by American Astronautical Society; Jet Propu
Computer Science
Performance
Hydrogen Oxygen Fuel Cells, Mars Surface, Roving Vehicles, User Requirements, Energy Requirements, Lunar Roving Vehicles, Power Supplies
Scientific paper
A viable power system technology for a surface transportation vehicle to explore the planet Mars is presented. A number of power traction systems were investigated, and it was found that a regenerative hydrogen-oxygen fuel cell appears to be attractive for a manned Mars rover application. Mission requirements were obtained from the Manned Mars Mission Working Group. Power systems weights, power, and reactants requirements were determined as a function of vehicle weights for vehicles weighing from 6,000 to 16,000 lb (2,722 to 7,257 kg), (Earth weight). The vehicle performance requirements were: velocity, 10 km/hr; range, 100 km; slope climbing capability, 30 deg uphill for 50 km; mission duration, 5 days; and crew, 5. Power requirements for the operation of scientific equipment and support system capabilities were also specified and included in this study. The concept developed here would also be applicable to a Lunar based vehicle for Lunar exploration. The reduced gravity on the Lunar surface, (over that on the Martian surface), would result in an increased range or capability over that of the Mars vehicle since many of the power and energy requirements for the vehicle are gravity dependent.
Faymon Karl A.
Perez-Davis Marla E.
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