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Figure 5.11 The relationship between the maximum COP and the DHW heating capacity ratio in the combined mode. Figures 5.12 through 5.14 show the measured COP for the CO2 heat pump unit as a function of the temperature approach at fixed supply/return temperatures for the space heating system and varying hot water tempe- rature. 5 – Experimental Results 4.0 3.8 3.6 3.4 3.2 60oC 60oC 60oC 7 0oC 80oC 70oC 80oC 70oC 80o C 0.3 0.4 0.5 0.6 0.7 DHW Heating Capacity Ratio [-] 33/28°C 35/30°C 40/35°C 4.0 3.5 3.0 2.5 0 5 10 15 20 25 30 Temperature Approach [K] 33/28°C, 60°C 33/28°C, 70°C 33/28°C, 80°C Figure5.12 The measured COP as a function of the temperature approach at 33/28oC supply/return temperatures for the SH system and varying DHW temperature. 123 COP [-] COP [-]PDF Image | Residential CO2 Heat Pump System for Combined
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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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