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The ground used as energy source, energy sink, or for energy storage

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  • Eckert, E.R.G.

Abstract

The energy required to maintain a structure (building, cavity) at constant temperature can be reduced drastically by burying it in the ground or locating it below the ground surface. An exploration of the potential of this idea is performed using simple relations for unsteady heat conduction. It is found that, for example, the U factor describing heat conduction into the ground is less than 10% of the U factor of a well insulated above-ground building. The ground serves also as a heat storage medium for a yearly storage in an under-ground building when temperature fluctuations of a few degrees are accepted in the building and when the heat flux into the ground is the dominating heat loss. For a subsurface building, daily and possibly weekly energy storage can be achieved under the same conditions.

Suggested Citation

  • Eckert, E.R.G., 1976. "The ground used as energy source, energy sink, or for energy storage," Energy, Elsevier, vol. 1(3), pages 315-323.
    • Handle: RePEc:eee:energy:v:1:y:1976:i:3:p:315-323
    DOI: 10.1016/0360-5442(76)90006-2
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    Cited by:

    1. Jing, Zefeng & Wang, Huaijiu & Feng, Chenchen & Wang, Shuzhong, 2020. "Numerical study on the heat characteristics of a novel artificial seepage thermal storage based on the successive four seasons," Renewable Energy, Elsevier, vol. 160(C), pages 1185-1193.
    2. Go, Gyu-Hyun & Lee, Seung-Rae & N.V., Nikhil & Yoon, Seok, 2015. "A new performance evaluation algorithm for horizontal GCHPs (ground coupled heat pump systems) that considers rainfall infiltration," Energy, Elsevier, vol. 83(C), pages 766-777.
    3. Thainswemong Choudhury & Anil Misra, 2014. "Minimizing changing climate impact on buildings using easily and economically feasible earth to air heat exchanger technique," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 19(7), pages 947-954, October.
    4. Florides, G.A. & Pouloupatis, P.D. & Kalogirou, S. & Messaritis, V. & Panayides, I. & Zomeni, Z. & Partasides, G. & Lizides, A. & Sophocleous, E. & Koutsoumpas, K., 2011. "The geothermal characteristics of the ground and the potential of using ground coupled heat pumps in Cyprus," Energy, Elsevier, vol. 36(8), pages 5027-5036.

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