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Research on Soil Heat Balance Theory of Ground Coupled Heat Pump System

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Geo-Informatics in Resource Management and Sustainable Ecosystem ( 2015, GRMSE 2015)

Part of the book series: Communications in Computer and Information Science ((CCIS,volume 569))

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Abstract

Ground coupled heat pump (GCHP) is an efficient air-conditioning technology, which is good to sustainable development of energy use. In order to make GCHP system operate efficiently in long term, soil needs to be maintained heat balance in an annual cycle. If necessary, auxiliary heat or cold source is also needed. A soil heat balance theory was proposed, and it contained heat balance equation and annual heat balance rate of soil. Soil heat balance point and floating range were derived, and the upper and lower limit of the range correspond to cold and hot critical region, respectively. And heat balance point 80 % and floating range 65 %~95 % were obtained according to experimental data, which can be used as indicators to measure soil heat balance. The soil heat balance theory can be used to investigate the regional applicability of a GCHP system with auxiliary heat or cold source, and design an efficient system which can maintain soil heat balance.

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References

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Acknowledgements

This work is supported by Program for Innovative Research Team of Zhejiang Sci-Tech University, and Science Foundation of Zhejiang Sci-Tech University (ZSTU) under Grant No. 1205828-Y.

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Authors and Affiliations

  1. Zhejiang Sci-Tech University, Hangzhou, 310018, People’s Republic of China

    Chao Lü, Feng Yu & Jiachen Zhong

  2. Harbin Institute of Technology, Harbin, 150090, People’s Republic of China

    Maoyu Zheng

Authors
  1. Chao Lü
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  2. Feng Yu
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  3. Maoyu Zheng
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  4. Jiachen Zhong
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Corresponding author

Correspondence to Chao Lü .

Editor information

Editors and Affiliations

  1. Wuhan University , Wuhan, China

    Fuling Bian

  2. Eastern Michigan University , Ypsilanti, China

    Yichun Xie

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Lü, C., Yu, F., Zheng, M., Zhong, J. (2016). Research on Soil Heat Balance Theory of Ground Coupled Heat Pump System. In: Bian, F., Xie, Y. (eds) Geo-Informatics in Resource Management and Sustainable Ecosystem. GRMSE 2015 2015. Communications in Computer and Information Science, vol 569. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-49155-3_88

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  • DOI: https://doi.org/10.1007/978-3-662-49155-3_88

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-49154-6

  • Online ISBN: 978-3-662-49155-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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