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The performance of a solar assisted heat pump water heating system.

Author(s) : HAWLADER M. N. A., CHOU S. K., ULLAH M. Z.

Type of article: Article

Summary

Due to the high ambient temperature in Singapore, the evaporator, which is a flat plate solar collector, can be operated at a higher temperature, without exceeding the desired design pressure limit of the compressor, and improved thermal performance of the system. When water temperature in the condenser tank rises with time, the condensing temperature rises, and the corresponding COP and collector efficiency values decline. Average values of COP ranged from about 4 to 9 and solar collector efficiency was found to vary between 40 and 75% for water temperatures in the condenser tank varying between 30 and 50 °C. A simulation model has been developed to analyze the thermal performance of the system.

Details

  • Original title: The performance of a solar assisted heat pump water heating system.
  • Record ID : 2002-0497
  • Languages: English
  • Subject: General information
  • Source: Applied Thermal Engineering - vol. 21 - n. 10
  • Publication date: 2001/07

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