NDLI: International space station major constituent analyzer on-orbit performance (Document No: 20150013812)

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International space station major constituent analyzer on-orbit performance (Document No: 20150013812)

Content Provider	NASA Technical Reports Server (NTRS)
Author	Matty Sr., Chris Wiedemann, Rachel Gardner, Ben D. Thoresen, Souzan Erwin, Phillip M.
Copyright Year	2015
Description	The 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.
File Size	3556243
Page Count	11
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20150013812
Archival Resource Key	ark:/13960/t5t77dj38
Language	English
Publisher Date	2015-07-12
Access Restriction	Open
Subject Keyword	Inorganic, Organic And Physical Chemistry Spacecraft Design, Testing And Performance Analytical Chemistry Mass Spectrometers Performance Tests International Space Station Electrometers Atmospheric Composition Filament Winding Ion Pumps Computer Programs Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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