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The Portable Monitor for Measuring Combustion Products Aboard the International Space Station
Technical Paper
2002-01-2298
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The Toxicology Laboratory at Johnson Space Center (JSC) had provided the combustion products analyzer (CPA) since the early 1990s to monitor the spacecraft atmosphere in real time if a thermodegradation event occurred aboard the Shuttle. However, as the operation of the International Space Station (ISS) grew near, an improved CPA was sought that would include a carbon monoxide sensor that did not have a cross-sensitivity to hydrogen. The Compound Specific Analyzer-Combustion Products (CSA-CP) was developed for use on the International Space Station (ISS). The CSA-CP measures three hazardous gases, carbon monoxide, hydrogen cyanide, and hydrogen chloride, as well as oxygen. The levels of these compounds in the atmosphere following a thermodegradation event serve as markers to determine air quality.
The first permanent ISS crew performed the CSA-CP checkout operations and collected baseline data shortly after arrival aboard the ISS in December 2000. The CSA-CP is currently deployed in the Service Module, Zvezda. This paper summarizes the reasons and process for transitioning from the CPA to the CSA-CP. Furthermore, the CSA-CP's performance characteristics are presented, and the early CSA-CP flight data obtained aboard the Shuttle and ISS are discussed.
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Limero, T., Beck, S., and James, J., "The Portable Monitor for Measuring Combustion Products Aboard the International Space Station," SAE Technical Paper 2002-01-2298, 2002, https://doi.org/10.4271/2002-01-2298.Also In
References
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- Sonnenschein, R. Karl-Otto, H. “Evaluation of the Suitability of CO Measurement for Fire Detection in Space,” 20 th Intersociety Conference on Environmental Systems, SAE Technical Series # 901285 1990
- Limero, T.F. James, J.T. Cromer, R. Beck, S.W. “A Combustion Products Analyzer for Contingency Use During Thermodegradation Events on Spacecraft,” 21 st International Conference on Environmental Systems, SAE Technical Series # 911479 1991
- NASA/Mir program status report from POSA Ops February 26 1998
- op.cit. Limero 4
- Delgado, R. Davis, D. “Test Report: Evaluation of Compound Specific Analyzer-Combustion Products (CSA-CP),” January 26 1999 Lyndon B. Johnson Space Center Las Cruces, NM.