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- W99105871 abstract "The design reference mission for the National Aeronautics and Space Administration's (NASA's) human mission to Mars supports a philosophy of living off the land in order to reduce crew risk, launch mass, and life-cycle costs associated with logistics resupply to a Mars base. Life-support materials, oxygen, water, and buffer gases, and the crew's ascent-stage propellant would not be brought from Earth but rather manufactured from the Mars atmosphere. The propellants would be made over {approx}2 yr, the time between Mars mission launch window opportunities. The production of propellants is very power intensive and depends on type, amount, and time to produce the propellants. Closed-loop life support and food production are also power intensive. With the base having several habitats, a greenhouse, and propellant production capability, total power levels reach well over 125 kW(electric). The most mass-efficient means of satisfying these requirements is through the use of nuclear power. Studies have been performed to identify a potential system concept, described in this paper, using a mobile cart to transport the power system away from the Mars lander and provide adequate separation between the reactor and crew. The studies included an assessment of reactor and power conversion technology options, selection of systemmore » and component redundancy, determination of optimum separation distance, and system performance sensitivity to some key operating parameters.« less" @default.
- W99105871 created "2016-06-24" @default.
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- W99105871 date "2000-06-04" @default.
- W99105871 modified "2023-09-26" @default.
- W99105871 title "Advanced Nuclear Power Concepts for Human Exploration Missions" @default.
- W99105871 hasPublicationYear "2000" @default.
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