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Airborne particulate matter and spacecraft internal environmentsInstrumentation, consisting of a Shuttle Particle Sampler (SPS) and a Shuttle Particle Monitor (SPM), has been developed to characterize the airborne particulate matter in the Space Shuttle cabin during orbital flight. The SPS size selectively collects particles in four size fractions (0-2.5, 2.5-10, 10-100, and greater than 100 microns) which are analyzed postflight for mass concentration and size distribution, elemental composition, and morphology. The SPM provides a continuous record of particle concentration through photometric light scattering. Measurements were performed onboard Columbia, OV-102, during the flight of STS-32 in January 1990. No significant changes were observed in the particle mass concentration, size distribution, or chemical composition in samples collected during flight-day 2 and flight-day 7. The total mass concentration was 56 microg/cu cm with approximately half of the particles larger than 100 microns. Elemental analysis showed that roughly 70 percent of the particles larger than 2.5 microns were carbonaceous with small amounts of other elements present. The SPM showed no temporal or spatial variation in particle mass concentration during the mission.
Document ID
19920039172
Document Type
Conference Paper
Authors
Liu, Benjamin Y. H. (Minnesota Univ. Minneapolis, MN, United States)
Rubow, Kenneth L. (Minnesota Univ. Minneapolis, MN, United States)
Mcmurry, Peter H. (Minnesota Univ. Minneapolis, MN, United States)
Kotz, Thomas J. (Minnesota, University Minneapolis, United States)
Russo, Dane (NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 15, 2013
Publication Date
July 1, 1991
Subject Category
MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
Report/Patent Number
SAE PAPER 911476
Distribution Limits
Public
Copyright
Other