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Outer plate of the evaporator Inner plate of the evaporator Figure 24. Comparison of outer and inner evaporator plates at the same time Figure 25 shows a short time segment from Figure 23, where the testing results from the two thermocouples that are placed at the bottom and the middle of the evaporator are can be seen as well. As shown in the figure the bottom of the evaporator and the drip pan, where the small gas cooler placed, has always a temperature higher than 10 °C. 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 1800 3600 5400 20 17,5 15 water gas cooler in CO2 Exp.- valve in Frosting-defrosting periods at -2 degreeC Tamb and 3,4 kW heating load 2008-04-14 - detail of first two cycles CO2 compr. out, CO2 Exp.-valve in, water gas cooler in[°C] Tevap bottom/mid, CO2 compr. in, evap. air in/out [°C]; COP[-]; flow[-]; time[s] Figure 25. A shorter time segment (zoom-in) from Figure 23 7200 9000 12,5 CO2 compr. 10 7,5 5 2,5 Out evap. air in evap. air out 0 CO2 compr. -2,5 -5 -7,5 -10 In normalized flow [x/0,239] COP -12,5 Tevap -15 -17,5 -20 bottom Tevap mid 33PDF Image | CO2 heat pumps for the Swedish market
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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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