Next generation of refrigerants for residential heat pump systems

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Next generation of refrigerants for residential heat pump systems ( next-generation-refrigerants-residential-heat-pump-systems )

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TEWI SCOP Discharge temperature 0% -10% -20% -30% -40% -50% -60% COP VHC Figure 4.22. Summary of evaluated parameters for R1234yf 4.6.6. R1234ze(E) R1234ze(E) has very similar performance as the previous R1234yf, as seen from Figure 4.23. It can be noticed that its volumetric heating capacity is even lower, thus putting more strain on the size of the system. Its COP is generally higher than the other HFO, and therefore the final TEWI is comparable to the HCs’ result. Regarding the flammability, the same comment as for R1234yf can be made. TEWI SCOP Discharge temperature 0% -10% -20% -30% -40% -50% -60% -70% -80% COP VHC Figure 4.23. Summary of evaluated parameters for R1234ze(E) -50-

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