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Performance research and multi-objective optimization of concentrating photovoltaic/thermal coupled air source heat pump heating system

Author

Listed:
  • Wang, Na
  • Chu, Shangling
  • Cheng, Chao
  • Zhang, Heng
  • Chen, Haiping
  • Gao, Dan

Abstract

In this paper, TRNSYS is used to simulate the heating systems of air-cooling concentrating photovoltaic/thermal (CPVT) coupled air source heat pump and water-cooling CPVT coupled air source heat pump. Besides, Grasshopper is adopted for multi-objective optimization of air-cooling system. This study not only proposed two hybrid systems and enriched the research of CPVT coupled air source heat pump, but also proposed a multi-objective optimization method, which uses Grasshopper to invoke TRNSYS. Compared with the air source heat pump system, the annual average COP of heat pump in the air-cooling system increases by 22.8%, and that of the water-cooling system decreases by 6%. The primary energy saving rate of the air-cooling system is 1.06 times and 6.67 times that of the water-cooling system and the air source heat pump system. The optimized air-cooling system reduces the annual total cost by 2.83%, and increases the energy utilization coefficient by 4.76%. The proposed air-cooling system has obvious advantages in energy saving and improving COP of heat pump. This study is useful for the cost savings and energy conservation of air-cooling concentrating photovoltaic/thermal (CPVT) coupled air source heat pump systems based on urban public buildings.

Suggested Citation

  • Wang, Na & Chu, Shangling & Cheng, Chao & Zhang, Heng & Chen, Haiping & Gao, Dan, 2024. "Performance research and multi-objective optimization of concentrating photovoltaic/thermal coupled air source heat pump heating system," Energy, Elsevier, vol. 296(C).
    • Handle: RePEc:eee:energy:v:296:y:2024:i:c:s0360544224007801
    DOI: 10.1016/j.energy.2024.131008
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