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Heat balance of solar-soil source heat pump compound system

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Abstract

Based on the state-of-the-art studies of solar-soil source heat pump compound system, operation patterns of solar-soil compound system were analyzed, particularly the advantages of parallel operation pattern. It is found that parallel operation pattern is better for solar-soil compound system. Furthermore, the heat balance issue of solar-soil compound system was emphatically analyzed from four aspects, which were annual analysis of heating and cooling load, the heat exchange of ground heat exchanger, capacity determination of solar-assisted heat source and heat balance calculation of solar-soil compound system. Moreover, annual rate of heat balance in a solar-soil source heat pump compound system was calculated with a case study. It is shown that the annual heat unbalance ratio is 19%, which is less than 20%. As a result, the practical solar-soil compound system can basically maintain the heat balance of soil.

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Authors and Affiliations

  1. Key Laboratory of The Three Gorges Reservoir Region’s Eco-Environment of Ministry of Education, Chongqing University, Chongqing, 400045, China

    Jin-hua Chen  (陈金华)

  2. Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, 400045, China

    Xiu-bi Bao  (包修碧), Yun-lin Peng  (彭运林) & Yu Jia  (贾宇)

Authors
  1. Jin-hua Chen  (陈金华)
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  2. Xiu-bi Bao  (包修碧)
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  3. Yun-lin Peng  (彭运林)
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  4. Yu Jia  (贾宇)
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Corresponding author

Correspondence to Jin-hua Chen  (陈金华).

Additional information

Foundation item: Project(50838009) supported by the National Natural Science Foundation of China; Project(2010DFA72740-05) supported by the International Science & Technology Cooperation Program of China

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Chen, Jh., Bao, Xb., Peng, Yl. et al. Heat balance of solar-soil source heat pump compound system. J. Cent. South Univ. Technol. 19, 809–815 (2012). https://doi.org/10.1007/s11771-012-1076-4

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  • DOI: https://doi.org/10.1007/s11771-012-1076-4

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