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4 – Test Rig Design and Experimental Methods Table 4.12 T [oC] δT [K] Table 4.13 The absolute uncertainty in the evaporation temperature. -10 -5 0 ±0.16 ±0.14 ±0.13 The relative uncertainty in the total heating capacity of the tripartite CO2 gas cooler. The calculations are based on measurements from the water circuits. SH DHW SH + DHW αQ [%] SH=Space heating mode DHW=hot water heating mode ±2.5 ±1.0 ±1.3 SH+DHW=combined mode Table 4.14 The relative uncertainty in the total heating capacity of the tripartite CO2 gas cooler. The calculations are based on measurements from the CO2 circuit. Heating Mode High-Side Pressure αQ [%] SH=Space heating mode SH DHW 9 MPa 10 MPa ±2.4 ±2.0 SH + DHW 8 MPa 9 MPa ±1.9 ±1.9 8 MPa ±2.2 9 MPa ±2.0 DHW=hot water heating mode SH+DHW=combined mode Table 4.15 The relative uncertainty in the COP of the CO2 heat pump unit. The heating capacities are based on measurements from the water circuits. SH DHW αCOP [%] ±2.8 ±1.7 SH=Space heating mode DHW=hot water heating mode SH + DHW ±1.9 SH+DHW=combined mode Table 4.16 The relative uncertainty in the COP of the CO2 heat pump unit. The heating capacities are based on measurements from the CO2 circuit. Heating Mode High-Side Pressure αCOP [%] SH=Space heating mode SH DHW 9 MPa 10 MPa ±2.1 ±2.6 SH + DHW 8 MPa 9 MPa ±2.6 ±2.5 8 MPa ±2.6 9 MPa ±2.2 94 DHW=hot water heating mode SH+DHW=combined modePDF 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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