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5 – Experimental Results 25 20 15 10 5 0 8 MPa 9 MPa 10 MPa G : 840 kg/m2s ID: 6 mm 11 MPa 0 20 40 60 80 100 120 Temperature [°C] Figure5.47 The convective heat transfer coefficient during in-tube cooling of supercritical CO2 calculated by means of the Gnielinski correlation for single-phase flow (VDI, 1993). The mean water-side convective heat transfer coefficient for the three gas cooler units for each measuring series was calculated using the Gnielinski correlation (VDI, 1993). The results are presented in Figure 5.48. 8000 6000 4000 2000 0 Transition zone Space Heating GC DHW Preheating GC DHW Reheating GC 0 200 400 600 800 1000 1200 Mass Flux [kg/m2s] Figure 5.48 The water-side convective heat transfer coefficient for the tripartite gas cooler calculated by means of the Gnielinski correlation for single-phase flow (VDI, 1993). 154 hO, water [W/m2K] Heat Transfer Coefficient [W/m2K]PDF 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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