Experimental Study on Hot Water System with Two-stage Condensation Heat Pump[J]. Journal of Refrigeration, 2010, 31(1): 6-10. DOI: 10.3969/j.issn.0253-4339.2010.01.006.
When an air source heat pump water heater runs at higher water temperature
the power input and the discharge temperature of its compressor are high
leading to problems of security and stability
and the significant decrease of the system efficiency.In our study
a hot water system with a two-stage condensation heat pump and its corresponding control method were proposed.The experimental results show that compared with the conventional heat pump water heaters
the present system can raise the temperature of sup...
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references
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