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Annual performance comparison between solar water heating system and solar photovoltaic/thermal system—a case study in Shanghai city

Author

Listed:
  • T Zhang
  • Q Z Zhu
  • W He
  • G Pei
  • J Ji

Abstract

Based on the typical meteorological year data of Shanghai city, annual performances of solar water heating (SWH) system and photovoltaic/thermal (PV/T) system are comparatively analyzed under three different cases. The results show that when only solar energy is used, the effective day number of SWH system is more than PV/T system under the same case every month; for the PV/T system, heat loss at the nighttime dissipates most of the absorbed solar energy under the continuous heating mode considering the nighttime heat loss case; initial water temperature determines system electric efficiency. On the whole, PV/T system offers competitive performance only under the auxiliary heating mode, no matter from the points of primary efficiency and static payback period.

Suggested Citation

  • T Zhang & Q Z Zhu & W He & G Pei & J Ji, 2017. "Annual performance comparison between solar water heating system and solar photovoltaic/thermal system—a case study in Shanghai city," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 12(4), pages 420-429.
    • Handle: RePEc:oup:ijlctc:v:12:y:2017:i:4:p:420-429.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctx012
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    Cited by:

    1. Murali, S. & Amulya, P.R. & Alfiya, P.V. & Delfiya, D.S. Aniesrani & Samuel, Manoj P., 2020. "Design and performance evaluation of solar - LPG hybrid dryer for drying of shrimps," Renewable Energy, Elsevier, vol. 147(P1), pages 2417-2428.
    2. Zhang, Tao & Yan, Zhiwei & Pei, Gang & Zhu, Qunzhi & Ji, Jie, 2019. "Experimental optimization on the volume-filling ratio of a loop thermosyphon photovoltaic/thermal system," Renewable Energy, Elsevier, vol. 143(C), pages 233-242.
    3. Qi Fang & Shaoping Li & Hadi Fooladi, 2022. "Parametric layout and performance examination of a novel energy process based on the renewable energies and thermodynamic cycles [A hybrid-electric propulsion system for an unmanned aerial vehicle ," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 17, pages 1000-1011.

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