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5 – Experimental Results 4.0 3.5 3.0 2.5 0 5 10 15 20 25 30 Temperature Approach [K] 35/30°C, 60°C 35/30°C, 70°C 35/30°C, 80°C Figure5.13 The measured COP as a function of the temperature approach at 35/30oC supply/return temperatures for the SH system and varying DHW temperature. 4.0 3.5 3.0 2.5 0 5 10 15 20 25 30 Temperature Approach [K] 40/35°C, 60°C 40/35°C, 70°C 40/35°C, 80°C Figure5.14 The measured COP as a function of the temperature approach at 40/35oC supply/return temperatures for the SH system and varying DHW temperature. The maximum COP was virtually proportional to the temperature approach at constant temperature level in the space heating system and varying set-point temperature for the hot water system. The lower the hot water temperature, the smaller the temperature approach at the maximum COP (i.e. at the optimum high-side pressure). 124 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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