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4 – Test Rig Design and Experimental Methods Charging Mode – Open Tank The insulating plate was placed at the bottom of the tank, and city water was fed through the diffuser until the plate was about 15 cm below the top of the tank. Dyed 55°C water was then supplied above the plate until the height of the hot water reservoir was about 10 cm. After mounting the cover, the cold water below the insulating plate was pumped through the electric heater at a flow rate of approximately 0.3 l/min, heated to about 60oC, and returned at the top of DHW tank. The required charging period to heat the entire water volume of 190 litres was about 11 hours, and the testing was stopped when the insulating plate reached the diffuser. Figure 4.35 shows the principle of the DHW tank and the movement of the insulating plate during testing in the charging mode. Start Stop Dyed hot water at 550C City water at 50C Insulating plate Figure 4.35 Movement of the insulating plate during the charging mode. Static mode – Open Tank The insulating plate was placed at the bottom of the tank, and 5°C city water was fed through the diffuser until the plate was floating in the middle of the tank. Dyed 55°C water was then supplied above the plate until the hot water surface was about 1 cm from the top of the tank. The position of the insulating plate was measured over a period of 8 hours. 109PDF Image | Residential CO2 Heat Pump System for Combined
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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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