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Advanced Oxygen Generation Assembly for Exploration MissionsFuture Exploration missions will require an Oxygen Generation Assembly (OGA) to electrolyze water to supply oxygen for crew metabolic consumption. The system design will be based on the International Space Station (ISS) OGA but with added improvements based on lessons learned during ISS operations and technological advances since the original OGA was designed and built. These improvements will reduce system weight, crew maintenance time and spares mass while increasing reliability. Currently, the design team is investigating the feasibility of the upgrades by performing ground tests and analyses. Upgrades being considered include: redesign of the electrolysis cell stack, deletion of the hydrogen dome, replacement of the hydrogen sensors, deletion of the wastewater interface, redesign of the recirculation loop deionizing bed and redesign of the cell stack Power Supply Module. The upgrades will be first demonstrated on the ISS OGA.
Document ID
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Takada, Kevin
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Velasquez, Luis E.
(HX5, LLC Houston, TX, United States)
Van Keuren, Steven
(S&K Global Solutions Inc. Polson, MT, United States)
Baker, Phillip S.
(UTC Aerospace Systems Windsor Locks, CT, United States)
McDougle, Stephen H.
(MEI Technologies, Inc. Houston, TX, United States)
Date Acquired
September 4, 2019
Publication Date
July 7, 2019
Subject Category
Man/System Technology And Life Support
Report/Patent Number
Meeting Information
Meeting: International Conference on Environmental Systems (ICES 2019)
Location: Boston, MA
Country: United States
Start Date: July 7, 2019
End Date: July 11, 2019
Sponsors: International Conference On Environmental Systems, Inc.
Distribution Limits
Public Use Permitted.
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