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Figure 4. Ambient DEV results at the sub-half-cycle scale for 366 Watt (1250 Btu/hr) at 170 ALM. (Top) Partial pressure of CO2 and (Bottom) dew point into and out of the RCA. HS RCA DEV TA2 RCA DEV TA2 RCA SEV-I TA2 RCA SEV-O MVoSdAeMlodel 25 20 15 10 5 0 50 150 250 350 450 550 650 Metabolic Rate, Watts Figure 5. Mean time to half-cycle for all flow rates for each test article with multiple desorption configurations. Moreover, the HS-RCA demonstrated a significantly higher time to half-cycle than did TA2-RCA unit. Care must be taken to infer the right conclusion from this result. This may mean the rectangular unit was designed better with an decreased test article pressure drop and/or better heat rejection capabilities. Con- versely, this could be an artifact the configuration of the test loop. Specifically, HS-RCA has an engineered spool valve properly directing the flow through the test article. In contrast, TA2-RCA currently does not 9 of 15 American Institute of Aeronautics and Astronautics Half-cycle time, min.PDF Image | Vacuum Swing Adsorption Units for Spacesuit Carbon Dioxide and Humidity Control
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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