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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 Figure 5. Annual frequency of the gas cooler outlet temperature value in B and BHR systems in climate 1 and climate 3. Figure 6 shows the percentage of time over the year at which the load evaporator is activated for the BHR solution. In the coldest climate it works up to 9% of the year. In the hottest climate considered, the load evaporator works for a very few hours over the year, thus the installation of this device is not to be suggested at all climates conditions, allowing a significant reduction in the investment cost. In Figure 6 the working hours of the parallel compressor in B and in BHR configurations is also reported . In the B solution, the additional compressor is activated 3493 hours per year in climate 1, 2859 h in climate 2, 1705 h in climate 3 i.e. whenever the outdoor temperature exceeds 20 °C. In the BHR system, the parallel compressor is activated also in the cold season when the high stage pressure is increased. Thus the difference between B and BHR values measures the fraction of time over the year when the system operation is controlled by the heating demand. It may be noticed that with heat recovery the working hours of the parallel compressors for the coldest climate increase by 130% reaching a value close to that for the hottest climate.PDF Image | R744 BOOSTER INTEGRATED SYSTEM
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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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