International Space Station Major Constituent Analyzer On-orbit Performance

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dc.creatorGardner, Ben D.
dc.creatorErwin, Phillip M.
dc.creatorThoresen, Souzan
dc.creatorWiedemann, Rachel
dc.creatorMatty, Chris
dc.date.accessioned2015-10-29T16:14:15Z
dc.date.available2015-10-29T16:14:15Z
dc.date.issued2015-07-12
dc.descriptionBellevue, Washington
dc.descriptionBen D. Gardner, UTC Aerospace Systems, USA
dc.descriptionPhillip M. Erwin, UTC Aerospace Systems, USA
dc.descriptionSouzan Thoresen, UTC Aerospace Systems, USA
dc.descriptionRachel Wiedemann, The Boeing Company, USA
dc.descriptionChris Matty, NASA Johnson Space Center, USA
dc.description.abstractThe Major Constituent Analyzer is a mass spectrometer based system that measures the major atmospheric constituents on the International Space Station. A number of limited-life components require periodic change-out, including the ORU 02 analyzer and the ORU 08 Verification Gas Assembly. Improvements to ion pump operation and ion source tuning have improved lifetime performance of the current ORU 02 design. The most recent ORU 02 analyzer assemblies, as well as ORU 08, have operated nominally. For ORU 02, the ion source filaments and ion pump lifetime continue to be key determinants of MCA performance and logistical support. Monitoring several key parameters provides the capacity to monitor ORU health and properly anticipate end of life.en_US
dc.format.mimetypeThe 45th International Conference on Environmental Systems was held in Bellevue, Washington, USA on 12 July 2015 through 16 July 2015.
dc.identifier.otherICES-2015-255
dc.identifier.urihttp://hdl.handle.net/2346/64508
dc.language.isoengen_US
dc.publisher45th International Conference on Environmental Systemsen_US
dc.titleInternational Space Station Major Constituent Analyzer On-orbit Performanceen_US
dc.typePresentationen_US

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