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Thermodynamic and economic analysis of the air source heat pump system with direct-condensation radiant heating panel

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  • Shao, Suola
  • Zhang, Huan
  • Fan, Xianwang
  • You, Shijun
  • Wang, Yaran
  • Wei, Shen

Abstract

The air source heat pump (ASHP) system with the direct-condensation radiant heating panel (DRHP) is an efficient space heating method. To evaluate the energy and exergy efficiencies of the system, a thermodynamic model was established. The effects of external air temperature, indoor air temperature and condensation temperature on the system efficiencies were investigated comprehensively. Results indicate that the low compression ratio is beneficial to the improvement of the energy and exergy efficiency of the system. The efficiency superiority of the system is corroborated in comparison with other ASHP systems. Meanwhile, the economic performances of the system are investigated with the initial cost, operating cost and several economic indicators. To examine the operating cost of the system, a reliable system model is proposed and the hourly heating load rates of a case study are presented. Results show that the dynamic investment pay-back period and the internal rate of return of the proposed system are 7.3 years and 11.2%, respectively. The economic competitiveness of the proposed system is demonstrated in comparison with other traditional ASHP heating systems.

Suggested Citation

  • Shao, Suola & Zhang, Huan & Fan, Xianwang & You, Shijun & Wang, Yaran & Wei, Shen, 2021. "Thermodynamic and economic analysis of the air source heat pump system with direct-condensation radiant heating panel," Energy, Elsevier, vol. 225(C).
    • Handle: RePEc:eee:energy:v:225:y:2021:i:c:s0360544221004448
    DOI: 10.1016/j.energy.2021.120195
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    References listed on IDEAS

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    Cited by:

    1. Sun, Hongli & Duan, Mengfan & Yang, Zixu & Ding, Pei & Wu, Yifan & Lin, Borong, 2023. "Evaluation of the intermittent performance of heating terminals based on exergy analysis: Discriminate the impacts of heat and electricity input," Applied Energy, Elsevier, vol. 346(C).
    2. Lin, Ying & Fan, Yubin & Yu, Meng & Jiang, Long & Zhang, Xuejun, 2022. "Performance investigation on an air source heat pump system with latent heat thermal energy storage," Energy, Elsevier, vol. 239(PA).

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