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Development of a Regenerable Metal Oxide CO2 Absorber for EMU Applications
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English
Abstract
A regenerable metal oxide CO2 absorber is being developed for future Extravehicular Mobility Unit (EMU) applications. It was designed to fit the existing shuttle EMU without modification of the interfaces.
Absorption and regeneration tests were performed with subscale and full-size laboratory absorbers. Data is presented for open and closed loop absorber tests that evaluate the effects of residence time, mass velocity, and internal temperature on performance, with emphasis is on the full-size test unit. Regeneration testing quantified the effects of temperature and air flow rate on desorption rate, and of various absorber cooling modes. Its objective was to optimize conditions for minimum peak power and minimum total energy consumption.
Authors
Citation
Buchmann, O., MacKnight, A., Gomez, D., and Supra, L., "Development of a Regenerable Metal Oxide CO2 Absorber for EMU Applications," SAE Technical Paper 961483, 1996, https://doi.org/10.4271/961483.Also In
References
- NASA SOW 9BP-09-5-13P “Specification/Statement of Work for a Regenerable Metal Oxide Based Extravehicular Mobility Unit (EMU) Atmospheric Control System,” NASA Johnson Space Center July 1995
- Hart, J.M. Borghese J.B. Chang C.H. Cusick R.J. “Portable Life Support System Regenerative Carbon Dioxide and Water Vapor Removal by Metal Oxide Absorbents Preprototype Hardware Development and Testing,” 22nd Intersociety Conference on Environmental Systems SAE paper 921299 July 1992
- Hart, J.M. Borghese J.B. Chang C.H. Stonesifer G.T. “Metal Oxide Absorbents for Regenerative Carbon Dioxide and Water Vapor Removal for Advanced Portable Life Support Systems,” 4th European Symposium on Space Environmental Control Systems Florence, Italy October 1991
- Hart, J.M. Chang C.H. Cusick R.J. Stonesifer G.T. “Comparison of Metal Oxide Absorbents for Regenerative Carbon Dioxide and Water Vapor Removal for Advanced Portable Life Support Systems,” Society of Automotive Engineers International Conference on Environmental Systems SAE paper 911344 July 1991
- Kast, T.P. Nacheff M.S. Chang C.H. Colombo G.V. Cusick R.J. “Characterization of Metal Oxide Absorbents for Regenerative Carbon Dioxide and Water Vapor Removal for Advanced Portable Life Support Systems,” 20th Intersociety Conference on Environmental Systems SAE paper 901431 July 1990
- Cusick, R.J. “Development of a Regenerable Metal Oxide CO 2 Removal System,” 20th Intersociety Conference on Environmental Systems SAE paper 901430 July 1990
- Nacheff, M.S. Chang C.H. Colombo G.V. Cusick R.J. “Metal Oxide Regenerable Carbon Dioxide Removal System for Advanced Portable Life Support Systems,” 19th Intersociety Conference on Environmental Systems SAE paper 891595 July 1989