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High-Pressure Oxygen Generation for Outpost EVA Study
Technical Paper
2009-01-2534
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The amount of oxygen consumption for crew extravehicular activity (EVA) in future lunar exploration missions will be significant. Eight technologies to provide high pressure EVA O2 were investigated. They are: high pressure O2 storage, liquid oxygen (LOX) storage followed by vaporization, scavenging LOX from Lander followed by vaporization, LOX delivery followed by sorption compression, water electrolysis followed by compression, stand-alone high pressure water electrolyzer, Environmental Control and Life Support System (ECLSS) and Power Elements sharing a high pressure water electrolyzer, and ECLSS and In-Situ Resource Utilization (ISRU) Elements sharing a high pressure electrolyzer.
A trade analysis was conducted comparing launch mass and equivalent system mass (ESM) of the eight technologies in open and closed ECLSS architectures. Technologies considered appropriate for the two architectures were selected and suggested for development.
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Citation
Jeng, F., Conger, B., Ewert, M., and Anderson, M., "High-Pressure Oxygen Generation for Outpost EVA Study," SAE Technical Paper 2009-01-2534, 2009, https://doi.org/10.4271/2009-01-2534.Also In
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