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ECLSS Contamination Monitoring Strategies and Technologies
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Abstract
Studying extended space missions confirmed the need of in-depth investigations of spacecraft internal atmosphere trace gas contamination, which bears toxic hazard and crew comfort reduction.
A mobile trace gas monitoring system, consisting of a combined gaschromatograph/mass spectrometer, using air as carrier gas, was modified and tested. This paper reports on the performance test results, acquired in ECLSS Testbed trials and acquired during a 4 weeks isolation experiment of a 6 men crew in a test chamber (ISEMSI).
Besides the development effort on the trace gas monitoring device, a material life test on solid amine is on the way since two years now. The offgassing products released by this weak basic ion exchange resin, which is used in a regenerable carbon dioxide concentrator, are analyzed in this test. The paper describes the methods and findings of these offgassing tests.
Finally, intermediate results of a trace gas monitoring study, initiated in Dec. 1990, will be presented, in which various monitoring strategies and suitable “state-of-the-art” technologies are investigated on their applicability for near term and long term manned space missions (COLUMBUS, HERMES, EMSI).
The work has been performed under contract of the European Space Agency.
Authors
Citation
Klingele, S. and Tan, G., "ECLSS Contamination Monitoring Strategies and Technologies," SAE Technical Paper 911464, 1991, https://doi.org/10.4271/911464.Also In
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