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Appendix C – Test Results for the Prototype CO2 Heat Pump C2 TE pGC [oC] [bar] -5.1 80.25 -5.0 84.80 -5.0 90.05 -5.0 95.30 -5.0 84.80 -5.1 89.90 -5.0 95.35 -5.0 99.95 -5.1 104.80 -5.1 94.90 -5.1 100.05 -5.0 104.90 -5.0 108.05 -10.0 79.80 -10.0 85.20 -10.0 89.90 -10.1 95.00 C3 TE pGC [oC] [bar] -4.9 74.99 -4.9 79.80 -5.1 84.60 -5.1 89.75 -5.0 80.00 -5.0 84.75 -5.0 89.80 -5.0 95.15 -5.0 85.10 -5.0 90.15 -5.1 95.15 -5.1 99.90 -10.0 79.85 -9.9 84.65 -10.0 90.20 -10.0 95.15 0.1 79.90 0.2 85.20 0.2 90.05 0.1 95.05 CO2 Heat Pump Unit – DHW Heating Mode TCO2 MCO2 QTOT TSH QSH TDHW [oC] 6.0-60.4 5.7-59.9 5.4-59.7 5.4-60.2 6.1-69.8 6.0-69.7 5.0-70.1 5.0-70.0 5.0-70.1 6.4-80.0 6.5-80.1 6.4-80.3 6.2-79.8 6.9-60.5 6.9-60.5 6.9-60.5 6.9-60.0 QDHW-P QDHW-R P COP [W] [W] [W] [-] 3873 1540 1680 3.22 4385 1766 1732 3.55 4796 2304 1869 3.80 4431 2732 1978 3.62 3550 1274 1770 2.73 4180 1671 1893 3.09 4730 1946 2006 3.33 5036 2417 2082 3.58 4695 2741 2180 3.41 3783 1289 1996 2.54 4386 1691 2096 2.90 4779 1984 2229 3.03 4744 2147 2229 3.09 3605 1573 1770 2.93 4034 2069 1864 3.27 3910 2453 1959 3.25 3355 3137 2073 3.13 [oC] 82.3-29.1 87.0-18.1 92.6-8.3 96.6-6.9 87.6-33.0 93.8-24.9 98.2-14.2 103.3-8.6 107.8-6.9 96.6-33.8 105.1-24.2 109.3-16.8 112.1-12.2 91.3-25.7 97.9-11.3 103.0-8.1 109.4-7.5 [kg/m] [W] [oC] [W] 1.425 5413 - - 1.397 6150 - - 1.400 7100 - - 1.405 7163 - - 1.400 4823 - - 1.400 5851 - - 1.415 6677 - - 1.390 7453 - - 1.390 7436 - - 1.405 5072 - - 1.380 6077 - - 1.405 6764 - - 1.395 6891 - - 1.225 5.178 - - 1.200 6.103 - - 1.200 6.363 - - 1.190 6.492 - - CO2 Heat Pump Unit – Space Heating Mode TCO2 [oC] 79.7-30.5 86.2-28.7 88.9-28.2 94.3-28.0 83.5-31.8 88.7-30.5 93.5-30.1 98.2-30.0 90.1-35.9 95.1-35.7 99.5-35.0 104.0-35.0 91.2-31.3 96.0-30.3 103.1-29.9 109.6-30.0 77.6-32.4 82.2-30.7 86.4-30.1 91.8-30.1 MCO2 QTOT [kg/m] [W] 1.452 4590 1.440 5344 1.452 5663 1.448 5705 1.450 5019 1.451 5411 1.450 5523 1.451 5670 1.451 4030 1.451 4954 1.452 5585 1.452 5399 1.224 4677 1.216 4973 1.205 5239 1.190 5151 1.632 5193 1.635 5523 1.637 5949 1.625 5926 TSH [oC] 28.1-33.0 28.0-32.9 28.0-33.0 28.0-33.0 30.1-35.1 30.1-35.1 30.1-35.0 30.1-35.1 35.1-39.9 35.0-40.0 34.9-40.0 35.1-40.2 30.1-35.0 30.2-35.1 30.0-35.1 30.1-35.1 30.1-35.1 30.2-35.1 30.0-35.1 30.1-35.1 QSH TDHW [W] [oC] 4590 - 5344 - 5663 - 5705 - 5019 - 5411 - 5523 - 5670 - 4030 - 4954 - 5585 - 5399 - 4677 - 4973 - 5239 - 5151 - 5193 - 5523 - 5949 - 5926 - QDHW-P QDHW-R [W] [W] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - P COP [W] [-] 1607 2.86 1697 3.15 1797 3.15 1898 3.01 1697 2.96 1797 3.01 1893 2.92 2003 2.83 1817 2.22 1927 2.57 2012 2.78 2104 2.57 1708 2.74 1798 2.78 1907 2.75 1992 2.59 1661 3.12 1770 3.13 1874 3.18 1977 3.00 Variables: T=temperature [oC], p=pressure [bar], M=mass flow rate [kg/min], Q=heating capacity [W], P=electric power input [W] Subscripts: E=evaporator, GC=gas cooler, TOT=total, SH=space heating, DHW=hot water, DHW-P= preheating, DHW-R=reheating C2PDF 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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