Computer Science – Performance
Scientific paper
Oct 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993iaf..conf.....s&link_type=abstract
Conference Paper, IAF Paper 93-567
Computer Science
Performance
Earth-Mars Trajectories, Mars Sample Return Missions, Mars Atmosphere, Long Duration Space Flight, Oxygen Production, In Situ Measurement, Viking Spacecraft, Methane
Scientific paper
A Mars sample return mission with oxygen being produced for the return propellant using the Martian atmosphere is proposed. A mass analysis of the ISRU oxygen plant shows that significant reductions in landed mass and mission costs can be attained by using methane carried from Earth and oxygen produced on Mars as propellants for the return trip. The metrics for the mass analysis are based on laboratory data collected from proof-of-concept, scale-up, and long-duration experiments. Using existing technology and current performance levels, it is shown that an ISRU plant capable of producing 7 kg/day of oxygen has a mass of 107.9 kg and consumes 2.9 kW of electrical power. A 2.5 kg/day oxygen production facility has a mass of 63.8 kg and requires 1.1 kW of electrical power.
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