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4x104 104 CarbonDioxide 8x102 -300 -200 -100 0 h [kJ/kg] Figure 2-12. P-h diagram of the CO2 cycle on a typical hot day (July). 1-2: Compression 2-3: Intercooler 3-4: 2nd Stage Compression 4-5: Gas cooler, which can provides hot water ≧ 62°C for district heating 5-6: Air Cooler 6-7: Work recovery expansion device 7-1: Evaporator, which provides cooling water of ~6°C to the data center Total primary energy savings is calculated using Equation (2.6) SavingsQprimheating Qprimarycooling Qprimco2power The savings for each day are added to calculate the annual primary energy savings. For the ease of modeling, a fully-mixed model is utilized to model the Thermal Energy Storage. The entire liquid (water) in the storage tank is assumed to have a uniform temperature which changes with time as a result of net energy addition or withdrawal during the charge or discharge process or due to the interaction 24 65°C 55°C 35°C 7 8 25°C 15°C -5°C 65 43 2 1 (2.6) -1 -0.9 -0.8 -0.7 -0.6 kJ/kg-K P [kPa]PDF Image | CO2 HEAT PUMPS FOR COMMERCIAL BUILDING APPLICATIONS
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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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