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NASA NTRS · 20210017373

Optimization of the 4-Bed CO2 Scrubber Performance Based on Ground Tests

James C. Knox·Gregory E. Cmarik·Warren Peters
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James C. Knox, Gregory E. Cmarik, Warren Peters. Optimization of the 4-Bed CO2 Scrubber Performance Based on Ground Tests. https://ntrs.nasa.gov/citations/20210017373

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Optimization of the 4-Bed CO2 Scrubber Performance Based on Ground Tests

Testing of ground hardware closely matching the flight design for the 4-Bed CO2Scrubber (4BCO2) has provided a wealth of information about the complex and highly coupled batch process. The 4BCO2 process is a Thermal and Vacuum Swing Adsorption (TVSA) cycle with recirculating flows. The ability to measure CO2concentration at intermediate points in this architecture is new to this ground test system and has revealed a better understanding of system performance and its dependence on system design, operational parameters, and boundary conditions. This paper will discuss a statistical analysis performed to identify significant correlations between performance factors and operational parameters. Using these new insights on the highly coupled system physics, means for improvements to system performance are proposed.

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