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CHAPTER 3: HEA T PillvIP SIMULATION MODEL 63 • .Plot 1 is at a discharge pressure of 7500kPa and a gas cooler outlet temperature of 288K. • Plot 2 is at a discharge pressure·of 7500kPa and a gas cooler outlet temperature of 298K. • Plot 3 is at a discharge pressure of 9000kPa and a gas cooler outlet temperature of 308K. • Plot 4 is at a discharge pressure varying between 11000 to 12000kPa and a gas cooler outlet temperature of 313K. Figure 3.7: Mass flow against evaporation pressure. MassFlow vs P_ev 0.35 ",--:~- ..----------c-.....~-:--""--,--,---,---,,,--,-,,,,,,,,,-:--,.....,-,------,---c--, 0.3 025+,········,······································ .. ,. . . ; ....c.........................•... ;.:~~C.....L ..+ ·~~7.~;·~···~···············~····~l(~4··'··1 1500 2000 2500 3000 3500 4000 4500 5000 From figure 3.7 it can be seen that there is a near linear increase in the mass flow through the system as the evaporating pressure increases. As the discharge pressure and the gas cooler outlet temperature increases the mass flow through the system decreases. This is a result of the mass flow compensating, by means of the expansion valve, for a constant evaporating capacity in the system which is determined by the evaporating pressure and gas cooler outlet temperature as mentioned earlier. A Techno-Economical Analysis of a CO2 Heat Pump. School ofMechanical Engineering, North-West University --7500(288) --7500(298) ___ 9000 :-<0-11 000-13000 ,-P o ly . (7500(298» i-poly. (7500(288»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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