Results from the Vehicle Cabin Atmosphere Monitor: A Miniature Gas Chromatograph/Mass Spectrometer for Trace Contamination Monitoring on the ISS and Orion
Date Published: 2008-06-29
Paper Number:2008-01-2045
DOI: 10.4271/2008-01-2045
Citation:
Chutjian, A., Darrach, M., Bornstein, B., Croonquist, A. et al., "Results from the Vehicle Cabin Atmosphere Monitor: A Miniature Gas Chromatograph/Mass Spectrometer for Trace Contamination Monitoring on the ISS and Orion," SAE Technical Paper 2008-01-2045, 2008, doi:10.4271/2008-01-2045.
Author(s):
A. Chutjian - California Institute of Technology
M. R. Darrach - California Institute of Technology
B. J. Bornstein - California Institute of Technology
A. P. Croonquist - California Institute of Technology
E. Edgu-Fry - California Institute of Technology
D. J. Fry - California Institute of Technology
V. Garkanian - California Institute of Technology
M. A. Girard - California Institute of Technology
V. R. Haemmerle - California Institute of Technology
W. M. Heinrichs - California Institute of Technology
R. D. Kidd - California Institute of Technology
S. Lee - California Institute of Technology
J. A. MacAskill - California Institute of Technology
S. M. Madzunkov - California Institute of Technology
L. Mandrake - California Institute of Technology
T.M. Rust - California Institute of Technology
R. T. Schaefer - California Institute of Technology
J. L. Thomas - California Institute of Technology
N. Toomarian - California Institute of Technology
M. J. Walch - California Institute of Technology
M. Christensen - Oceaneering Space Systems
A. Dawson - Oceaneering Space Systems
D. Demonbrun - Oceaneering Space Systems
R. Vanholden - Oceaneering Space Systems
P. M. Holland - Thorleaf Research
B. J. Shortt - EADS Astrium Ltd., UK
Abstract:
Progress on the delivery of the Vehicle Cabin Atmosphere Monitor (VCAM) is reported. VCAM is an autonomous trace-species detector to be used aboard the International Space Station (ISS) for atmospheric analysis. The instrument is based on a low-mass, low-power miniature preconcentrator, gas chromatograph, and Paul ion trap mass spectrometer (PCGC/MS) capable of measuring volatile constituents in a space vehicle or planetary outpost at sub-ppm levels. VCAM detects and quantifies 40 target compounds at their 180-day Spacecraft Maximum Allowable Concentration (SMAC) levels. It is designed to operate autonomously, maintenance-free, with a self-contained carrier and calibration gas supplies sufficient for a one-year lifetime. Two flight units will be delivered for operation in the ISS EXPRESS rack.
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