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Residential CO2 Heat Pump System for Combined

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Residential CO2 Heat Pump System for Combined ( residential-co2-heat-pump-system-combined )

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Table of Contents 4.1.4.3 Mass and V olume Flow Rates .............................. 91 4.1.4.4 Power Input to the Compressor ............................. 92 4.1.4.5 Uncertainty of the Single Measurements ..............92 4.1.4.6 Uncertainty of the Computed V alues .................... 93 4.1.5 Test Procedures and Test Programme .................................95 4.2 Testing of a DHW Tank and a Movable Insulating Plate ...............98 4.2.1 Construction of the Test Rig................................................98 4.2.2 Temperature Measurements...............................................102 4.2.2.1 Introduction ......................................................... 102 4.2.2.2 Transient Temperature Drop in a DHW Tank ....102 4.2.2.3 Transient Temperature Gradients in a DHW Tank Filled with Hot and Cold Water.................103 4.2.2.4 Thermal Performance of an Insulating Plate.......105 4.2.3 Flow Studies ...................................................................... 107 4.2.3.1 Introduction ......................................................... 107 4.2.3.2 Experimental Procedures ....................................107 5. Experimental Results...............................................................111 5.1 Testing of a Residential Brine-to-Water CO2 Heat Pump Unit.....111 5.1.1 Function Testing ................................................................111 5.1.2 Preliminary Testing ...........................................................113 5.1.3 Experimental Results .........................................................113 5.1.3.1 Introduction.........................................................113 5.1.3.2 Simultaneous Space and Hot Water Heating ......117 5.1.3.3 Hot Water Heating Only .....................................134 5.1.3.4 Space Heating Only ............................................ 139 5.1.3.5 Comparison of the Measurements in the Different Heating Modes ....................................142 5.1.3.6 Compressor Performance....................................148 5.1.3.7 Evaporator Performance ..................................... 150 5.1.3.8 Performance and Main Operating Characteristics of the Tripartite Gas Cooler .......152 xvi

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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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