Energy Management Strategy for a Thermal Storage Air Source Heat Pump System based on Thermal Storage/Release and Energy Efficiency Analysis#br#

  • YU Qihui ,
  • DENG Rongsheng ,
  • ZHANG Jianlong ,
  • QIN Ripeng ,
  • HAO Xueqing ,
  • SUN Guoxin
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  • 1. Department of Mechanical Engineering, Inner Mongolia University of Science & Technology, Baotou 014010, China
    2. Inner Mongolia Mingyang North Smart Energy Research and Development Center Co, LTD, Baotou 014010, China

Online published: 2025-07-04

Supported by

The research work presented in this paper is financially supported by a Grant of the Natural Science Foundation of Inner Mongolia (No. 2022LHMS05023). The authors also acknowledge support from Basic Scientific Research Fund Project of Universities Directly under the Jurisdiction of the Inner Mongolia Autonomous Region through grants (No. 0406082203, No. 2024QNJS075 and No. 2024QNJS012).

Copyright

Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag GmbH Germany, part of Springer Nature 2025

Abstract

Air source heat pump has insufficient heating performance under the low ambient temperature conditions;  meanwhile, the thermal storage device in heat pump system has a wide range of application. This study proposes a  thermal storage air source heat pump heating system (HSASHP) with a novel structure, and has established both the  mathematical models and simulation models of each component of the single-stage and the thermal storage air source heat  pump heating systems in MATLAB/Simulink respectively, with three operation modes proposed for the latter (i.e., the thermal storage air source heat pump heating system); by using the outdoor ambient temperature during the heating period in Baotou, China, the heating capacity of the two heat pump systems are simulated and the economy of both systems’ operation are investigated. The results show that within a 7-day heating period, the total heat production of the thermal storage heat pump unit and the single-stage heat pump unit is 442.58 kW·h and 355.68 kW·h, respectively, with HSASHP 24% higher; the average heating Coefficient of Performance (COP) of the two heat pump units is 2.11 and 1.51, respectively, with HSASHP 39.74% higher; the power consumption of the two heat pump units is 202.74 kW·h and 239.74 kW·h, respectively, with HSASHP 15.44% lower. These all illustrate the effectiveness of the new structure in improving the performance of heat pump units. However, the total power consumption and operational economy of both air source heat pump heating systems do not differ significantly.

Cite this article

YU Qihui , DENG Rongsheng , ZHANG Jianlong , QIN Ripeng , HAO Xueqing , SUN Guoxin . Energy Management Strategy for a Thermal Storage Air Source Heat Pump System based on Thermal Storage/Release and Energy Efficiency Analysis#br#[J]. Journal of Thermal Science, 2025 , 34(4) : 1177 -1191 . DOI: 10.1007/s11630-025-2179-1

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