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Figure 21 Variation of volumetric efficiency with gas cooler pressure Volumetric efficiency decreases as pressure ratio across the compressor increases, the exact trend for the variation of volumetric efficiency with variation in gas cooler pressure (while evaporation pressure was constant) is shown in figure 21. 4.3 Results The obtained results are discussed in detail in the following text and sub grouped in three groups as described below. Results for overall system performance (mainly COP, heating capacity etc) Results for the component’s performance (Heat exchanger effectiveness) Second law analysis for exergy destruction and entropy production in the system 4.3.1 Overall system performance from meter reading Operating conditions Heat pump was operated under various configurations, the imposed conditions and the obtained results are discussed further in the following text. Case A Operating conditions Heat pump was operated to heat up the tap water to set point 60 oC and evaporation temperature was varied (-5, 0 and 5oC) with only 1ST Heat exchanger in operation. 23PDF 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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