PDF Publication Title:
Text from PDF Page: 006
The pressure enthalpy chart in figure 4 shows the critical point and the extent of the transcritical fluid region. Figure 4. Pressure enthalpy chart for R744 Table 2. Basic properties of R744 compared with other refrigerants Refrigerant HFC HFC HFC HFC HCFC HFO R744 R404A R134a R407A R407F R22 R1234yf Temperature at atmospheric pressure (see information above) -78.5°C (Temp. of the dry ice) -46°C (Saturation temp.) -26°C (Saturation temp.) -41°C (Mid point saturation temp.) -43°C (Mid point saturation temp.) -41°C Saturation (temp.) -30°C Saturation (temp.) Critical temperature 31°C 72°C 101°C 82°C 83°C 96°C 95°C Critical pressure 73.8 bar g 35.7 bar g 41.7 bar g 45.2 bar g 47.5 bar g 49.8 bar g 33.8 bar g Triple-point pressure 5.2 bar 0.03 bar 0.005 bar 0.013 bar TBC < 0.005 bar TBC Pressure at a saturated temperature of 20°C 57.2 bar g 10.9 bar g 5.7 bar g 10.2 bar g 10.6 bar g 9.1 bar g 5.9 bar g Global warming potential 11 39221 14301 19902 18243 1700 4 6 1 The GWP values are from the Intergovernmental Panel on Climate Change, 4th assessment report: Climate Change 2007 2 GWP for R407A from EN378 3 GWP for R407F from supplier’s dataPDF Image | CO2 Product Guide 2021
PDF Search Title:
CO2 Product Guide 2021Original File Name Searched:
2021-co2-refrigeration-4217772.pdfDIY PDF Search: Google It | Yahoo | Bing
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
| CONTACT TEL: 608-238-6001 Email: greg@infinityturbine.com | RSS | AMP |