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International Space Station Bacteria Filter Element Post-flight Testing and Service Life Prediction
Author and Affiliation:
Perry, J. L.(NASA Marshall Space Flight Center, Huntsville, AL, United States);
Jouanne, R. G.(Boeing Co., United States);
Turner, E. H.(Boeing Co., United States)
Abstract: The International Space Station uses high efficiency particulate air (HEPA) filters to remove particulate matter from the cabin atmosphere. Known as Bacteria Filter Elements (BFEs), there are 13 elements deployed on board the ISS's U.S. Segment. The pre-flight service life prediction of 1 year for the BFEs is based upon performance engineering analysis of data collected during developmental testing that used a synthetic dust challenge. While this challenge is considered reasonable and conservative from a design perspective, an understanding of the actual filter loading is required to best manage the critical ISS Program resources. Thus testing was conducted on BFEs returned from the ISS to refine the service life prediction. Results from this testing and implications to ISS resource management are discussed. Recommendations for realizing significant savings to the ISS Program are presented.
Publication Date: Jan 01, 2003
Document ID:
20030065941
(Acquired Aug 27, 2003)
Subject Category: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
Report/Patent Number: Rept-2003-01-2490
Document Type: Preprint
Meeting Information: 33rd International Conference on Environmental Systems; 7-10 Jul. 2003; Vancouver, British Columbia; Canada
Financial Sponsor: NASA Marshall Space Flight Center; Huntsville, AL, United States
Organization Source: NASA Marshall Space Flight Center; Huntsville, AL, United States
Description: 5p; In English; Original contains black and white illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: INTERNATIONAL SPACE STATION; AIR FILTERS; PARTICULATES; RELIABILITY ANALYSIS; SERVICE LIFE; PREDICTIONS; PRESSURE DROP; SPACECRAFT CABIN ATMOSPHERES; DUST; BACTERIA
Availability Source: Other Sources
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