Theoretical Investigation on the Heating Performance of a Recuperative Heat Pump Water Heater Using CO2/HCs With Large Temperature Glides in Cold Regions
Abstract:Considering the issues of environmental pollution and energy efficiency, heat pumps are gradually replacing traditional coal combustion for heating at low ambient temperatures. In this paper, eco-friendly CO2/HCs with large temperature glides are applied in a single-stage recuperative heat pump water heater. Its heating performance is theoretically investigated under the working condition of producing circulating hot water in typical winter of northern China, with medium temperature difference between supply/r… Show more
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