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Figure 17 T_s diagram for real Lorentzen cycle The coefficient of performance of the Lorenz cycle is based on the mean temperature in the heat rejction process and defined as follows, Where To is the evaporation temperature. As in conventional subcritical cycle Carnot efficiency is used to measure the thermodynamic efficiency of the system, Lorenz efficiency can be used in transcritical cycle and is defined as follows. Where COPHP is the COP of the real heat pump cycle and COPLZ is the COP based on the Lorenz cycle. Lorenz efficiency tells us the inside story, how close the system is operating in compared with the standard reference. 18PDF Image | heat recovery from R744 based refrigeration system
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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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