Solar-electrochemical power system for a Mars mission

Details Solar-electrochemical power system for a Mars mission Solar-electrochemical power system for a Mars mission

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9518570w&link_type=abstract

Unknown

Computer Science

Electric Power Supplies, Gallium Arsenides, Germanium, Hydrogen Oxygen Fuel Cells, Mission Planning, Sodium Sulfur Batteries, Solar Arrays, Manned Mars Missions, Mars Excursion Module, Mars Exploration, Operations Research, Roving Vehicles, Transport Vehicles

Scientific paper

This report documents a sizing study of a variety of solar electrochemical power systems for the intercenter NASA study known as 'Mars Exploration Reference Mission'. Power systems are characterized for a variety of rovers, habitation modules, and space transport vehicles based on requirements derived from the reference mission. The mission features a six-person crew living on Mars for 500 days. Mission power requirements range from 4 kWe to 120 kWe. Primary hydrogen and oxygen fuel cells, regenerative hydrogen and oxygen fuel cells, sodium sulfur batteries advanced photovoltaic solar arrays of gallium arsenide on germanium with tracking and nontracking mechanisms, and tent solar arrays of gallium arsenide on germanium are evaluated and compared.

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