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Investigation on the heat transfer of energy piles with two-dimensional groundwater flow

Author

Listed:
  • Wenke Zhang
  • Hongxing Yang
  • Lin Lu
  • Zhaohong Fang

Abstract

The heat transfer around energy piles with groundwater flow for ground-coupled heat pump has been reported in recent years. However, the combined model was always studied on condition that groundwater flows in a one-dimensional manner. This paper describes a novel mathematical model that explains the heat transfer of energy piles with groundwater of two-dimensional (2D) flow. The analytical solutions of the governing equations are obtained based on the Green function of 2D advection. The characteristics involved in the heat transfer of energy pile when 2D groundwater plays role are investigated. Afterwards, the progressiveness of the new model is highlighted.

Suggested Citation

  • Wenke Zhang & Hongxing Yang & Lin Lu & Zhaohong Fang, 2017. "Investigation on the heat transfer of energy piles with two-dimensional groundwater flow," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 12(1), pages 43-50.
    • Handle: RePEc:oup:ijlctc:v:12:y:2017:i:1:p:43-50.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctv028
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    References listed on IDEAS

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    1. Lee, C.K. & Lam, H.N., 2012. "A modified multi-ground-layer model for borehole ground heat exchangers with an inhomogeneous groundwater flow," Energy, Elsevier, vol. 47(1), pages 378-387.
    2. Go, Gyu-Hyun & Lee, Seung-Rae & Yoon, Seok & Kang, Han-byul, 2014. "Design of spiral coil PHC energy pile considering effective borehole thermal resistance and groundwater advection effects," Applied Energy, Elsevier, vol. 125(C), pages 165-178.
    3. Tye-Gingras, Maxime & Gosselin, Louis, 2014. "Generic ground response functions for ground exchangers in the presence of groundwater flow," Renewable Energy, Elsevier, vol. 72(C), pages 354-366.
    4. Fan, Rui & Jiang, Yiqiang & Yao, Yang & Shiming, Deng & Ma, Zuiliang, 2007. "A study on the performance of a geothermal heat exchanger under coupled heat conduction and groundwater advection," Energy, Elsevier, vol. 32(11), pages 2199-2209.
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    Cited by:

    1. Zhao, Zilong & Lin, Yu-Feng & Stumpf, Andrew & Wang, Xinlei, 2022. "Assessing impacts of groundwater on geothermal heat exchangers: A review of methodology and modeling," Renewable Energy, Elsevier, vol. 190(C), pages 121-147.
    2. Fattahian, Makan & Oliaei, Mohammad & Akbari Garakani, Amir & Kiani Fordoei, Mohammad Amir, 2024. "Numerical modeling of high-velocity groundwater flow influence on the thermal-hydraulic characteristics and energy extraction from energy piles," Renewable Energy, Elsevier, vol. 237(PD).

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