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Heat Pumps for Heating and Cooling • Water to Refrigerant Coil The water in Earth and the refrigerant in the heat pump system pass through a tube-in-tube coaxial heat exchanger. The tube-in-tube heat exchanger is configured as a tube positioned within another tube. The water flows through the inner tube while the refrigerant flows through the outer tube. In the heating mode, heat is transferred from the water to the refrigerant, causing the refrigerant to boil to a vapor at low temperatures. In the cooling mode, heat from the hot vapor refrigerant is transferred to the water, rejecting heat from the system and allowing the refrigerant to condense into a liquid. • Refrigerant to Air Coil Just like any other air conditioning unit, there is a fin and tube coil through which the refrigerant flows. When the heat pump is operating in the heating mode, the hot gas from the compressor is routed to the indoor coil. A blower then passes air from the conditioned space through the coil and heat is transferred from the refrigerant to the air. When the heat pump is operating in the cooling mode, the refrigerant that flows through the indoor coil is a low temperature liquid. As the blower passes air from the conditioned space through the coil, the air, being warmer than the refrigerant, transfers heat to the refrigerant, thereby cooling the air. The figure below shows the examples of a water-to-air heat pump configured as a vertical cabinet unit. Return air enters the upper left side of the cabinet, passes through a filter and then through the refrigerant to an air heat exchanger. The conditioned air is then drawn through the blower and discharged vertically from the cabinet into a duct system. The compressor and other electrical or refrigeration system components are located in the lower portion of the cabinet. 61PDF Image | Heat Pumps for Heating and Cooling
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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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