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CHAPTER 3: HEAT PU1v1P SIMULATION MODEL 64 The plot made for figure 3.8 is made up out of compressor efficiency against evaporating pressure in terms of the discharge pressure and the gas cooler outlet tem perature. • Plot 1 is at a discharge pressure of 7500 kPa and a gas cooler outlet temperature of 288K. • Plot 2 is at a discharge pressure of 7500 kPa and a gas cooler outlet tem perature of 298K. • Plot 3 is at a discharge pressure of 9000 kPa and a gas cooler outlet temperature of 308K. • Plot 4 is at a discharge pressure varying between 11000 to 12000 kPa and a gas cooler outlet temperature of 313K. Figure 3.8: Compressor efficiency against evaporation pressure. From figure 3.8 it can be seen that the compressor efficiency stays reasonably unaffected with the change in evaporating pressure, discharge pressure and gas cooler outlet temperature. This is because the compressor efficiency is directly linked to the manufacturing of the compressor and is only slightly influenced by the discharge pressure and suction pressure. A Techno-Economical Analysis of a CO2 Heat Pump. School ofMechanical Engineering, North-West University --7500(288) _ _ 7500(298) _ _ 11000 - P o l y . (7500(298)) -P Q ly . (7500(288» - Poly. (9000) - Poly. (11000)PDF Image | CO2 HEAT PUMP Analysis
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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
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