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Building Space Heating with a Solar-Assisted Heat Pump Using Roof-Integrated Solar Collectors

Author

Listed:
  • Zhiyong Yang

    (School of Chemical Engineering and Technology, Tianjin University, 300072, Tianjin, China)

  • Yiping Wang

    (School of Chemical Engineering and Technology, Tianjin University, 300072, Tianjin, China)

  • Li Zhu

    (School of Architecture, Tianjin University, 300072, Tianjin, China)

Abstract

A solar assisted heat pump (SAHP) system was designed by using a roof-integrated solar collector as the evaporator, and then it was demonstrated to provide space heating for a villa in Tianjin, China. A building energy simulation tool was used to predict the space heating load and a three dimensional theoretical model was established to analyze the heat collection performance of the solar roof collector. A floor radiant heating unit was used to decrease the energy demand. The measurement results during the winter test period show that the system can provide a comfortable living space in winter, when the room temperature averaged 18.9 °C. The average COP of the heat pump system is 2.97 and with a maximum around 4.16.

Suggested Citation

  • Zhiyong Yang & Yiping Wang & Li Zhu, 2011. "Building Space Heating with a Solar-Assisted Heat Pump Using Roof-Integrated Solar Collectors," Energies, MDPI, vol. 4(3), pages 1-13, March.
    • Handle: RePEc:gam:jeners:v:4:y:2011:i:3:p:504-516:d:11682
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    References listed on IDEAS

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