Carbon Dioxide driven Solar-assisted Heat Pump Water Heating System: A Theoretical Analysis

@inproceedings{Islam2013CarbonDD,
  title={Carbon Dioxide driven Solar-assisted Heat Pump Water Heating System: A Theoretical Analysis},
  author={Muhammad Raisul Islam and K. Sumathy},
  year={2013}
}
Details of the analytical studies of a CO 2 transcritical cycle on a solar assisted heat pump water heating system is presented in this paper. The main components of this system include an evacuated tube U-pipe solar collector serving as the evaporator for the R744 (CO 2) refrigerant, a variable speed reciprocating compressor, an immersed heat exchanger and an expansion valve. In general, solar heat pumps are known to provide higher values of COP since solar radiation can easily effect higher… CONTINUE READING

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