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12 1 Introduction Unit Water tank Figure 1.7 Schematic of Eco-cute products [7]. applications of CO2 heat pumps have been developed in Europe to supply hot water for hotels, restaurants, hospitals, and schools, and some examples have been constructed in Ireland, France, Denmark, and Switzerland since 2012 [30]. As for the transcritical CO2 heat pump water heater, though it has been commercialized successfully, it still needs to be researched, optimized, and developed. It has been found that the inlet and outlet water temperature and ambient temperature can affect the opti- mal discharge pressure and heating COP. For example, a higher ambient temperature and a lower inlet water temperature lead to a higher overall COP [31]. Besides the optimiza- tion of operating parameters, the modification of the operating cycle and the management of water storage and heating also need to be carefully considered. ● Heating for vehicles, especially in low ambient temperatures, is a current trend due to the compact structure of CO2 heat pumps, environmentally friendly benefits and suitable thermodynamic properties of carbon dioxide. Because of the finite spaces in vehicles, compact heating devices with large heating capacity are required (Figure 1.8). Figure 1.8 Air outlet of a car air conditioning unit.PDF Image | What is a heat pump
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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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