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Heat Pumps for Heating and Cooling Examples include: • Heated floor slabs with low-resistance coverings • Heated thin-slabs over framed floors with low-resistance coverings • Generously sized panel radiator systems with parallel piping • High-output fin-tube baseboard Geothermal hydronic heat pumps provide design heating output using supply water temperatures no higher than 145oF. This is much less compared to the conventional fuel boilers or hot water generators. The following recommendations are important: • A lower supply air temperature or a smaller temperature drop requires larger under slab piping or larger surface area of heat radiators. • A lower flow temperature provides improved comfort by reducing the difference in surface temperature between different surfaces in the rooms. • Also the distribution systems that supply each heat emitter using parallel piping branches, rather than series configurations, are preferred because they provide the same supply water temperature to each heat emitter. 5.9.1. Heated Floor Slab In heated floor slab systems, the floor slab acts as thermal heat storage and it consists of closed loop tubing embedded in the concrete slab. The hot water is circulated in the tubing which provides radiant heat. The temperature of the air in the indoor areas will be warmer at the floor, and cooler as you rise toward the ceiling, which is unmatched for heating comfort. This also reduces the heat loss through the ceiling and upper walls. Because of this lower heat loss, and because a water-to- water geothermal heat pump has lower operating temperatures, these systems have the highest efficiencies and energy savings of any active heating system. The only drawback to these systems is their higher cost of installation. 78PDF 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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