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Development Status and Maintainability Features of ISS Oxygen Generation and Water Processor Assemblies
ISSN: 0148-7191, e-ISSN: 2688-3627
Published July 09, 2001 by SAE International in United States
Annotation ability available
Hamilton Sundstrand Space Systems International, Inc. (HSSSI) is under contract to NASA Marshall Space Flight Center (MSFC) to develop a Water Processor Assembly (WPA) and Oxygen Generation Assembly (OGA) for the International Space Station (ISS). The WPA produces potable quality water from humidity condensate, carbon dioxide reduction water, water obtained from fuel cells, reclaimed urine distillate, shower, handwash and oral hygiene waste waters. The Oxygen Generation Assembly (OGA) electrolyzes potable water from the Water Recovery System (WRS) to provide gaseous oxygen to the Space Station module atmosphere. The OGA produces oxygen for metabolic consumption by crew and biological specimens. The OGA also replenishes oxygen lost by experiment ingestion, airlock depressurization, CO2 venting, and leakage. As a byproduct, gaseous hydrogen is generated. The hydrogen will be supplied at a specified pressure range to support future utilization. Initially, the hydrogen will be vented overboard to space vacuum. This paper provides the status of the development activities for the OGA and WPA and describes the design features incorporated to meet NASA’s requirements for maintainability.
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CitationCloud, D. and Kundrotas, R., "Development Status and Maintainability Features of ISS Oxygen Generation and Water Processor Assemblies," SAE Technical Paper 2001-01-2314, 2001, https://doi.org/10.4271/2001-01-2314.
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