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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/40487

Title: Premliminary system analysis of in situ resource utilization for Mars human exploration.
Authors: Rapp, Donald
Andringa, Jason
Easter, Robert
Smith, Jeffrey H .
Wilson, Thomas
Clark, D. Larry
Payne, Kevin
Keywords: Mars
water
human life support
CO2
Issue Date: 5-Mar-2005
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.
Citation: IEEE Aerospace Conference, Big Sky, Montana, March 5-12, 2005
Abstract: We carried out a system analysis of processes for utilization of Mars resources to support human exploration of Mars by production of propellants from indigenous resources. Seven ISRU processes were analyzed to determine mass. power and propellant storage volume requirements. The major elements of each process include C02 acquisition, chemical conversion, and storage of propellants. Based on a figure of merit (the ratio of the mass of propellants that must be brought fiom Earth in a non-ISRU mission to the mass of the ISRU system. tanks and feedstocks that must be brought from Earth for a ISRU mission) the most attractive process (by far); is one where indigenous Mars water is accessible and this is processed via Sabatier/Electrolysis to methane and oxygen. These processes are technically relatively mature. Other processes with positive leverage involve reverse water gas shift and solid oxide electrolysis.
URI: http://hdl.handle.net/2014/40487
Appears in Collections:JPL TRS 1992+

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