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A novel concept for managing thermal interference between geothermal systems in cities

Author

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  • Attard, Guillaume
  • Bayer, Peter
  • Rossier, Yvan
  • Blum, Philipp
  • Eisenlohr, Laurent

Abstract

The growing interest in shallow geothermal resources leads to dense installation areas, where interference and decrease in efficiency might occur. To optimize geothermal use in cities which prevents interference between neighbouring and future installations, we present a novel concept relying on the definition of thermal protection perimeters (TPP) around geothermal installations. These perimeters are determined by quantifying the thermal probability of capture around closed- and open-loop geothermal systems. Then, the maximal acceptable power that can be exploited in the vicinity of the installations can be continuously mapped. Existing analytical heat transport models are adapted to calculate these thermal capture probabilities. Two applications are illustrated in Lyon (France). The first application shows that adapted analytical models can help to manage multiple geothermal installations already in place in sectors of few square kilometres. In the second application, a numerical deterministic model is used to determine the TPP of one open-loop system at a local scale. The numerical approach applied for this case allows to account for flow disturbances caused by underground constructions, and thus offers a refined representativeness of the probability of capture. The presented methodology facilitates compatibility assessments between existing and planned new geothermal installations, which is otherwise not feasible by only mapping thermal plumes caused by existing installations, as done in common practice.

Suggested Citation

  • Attard, Guillaume & Bayer, Peter & Rossier, Yvan & Blum, Philipp & Eisenlohr, Laurent, 2020. "A novel concept for managing thermal interference between geothermal systems in cities," Renewable Energy, Elsevier, vol. 145(C), pages 914-924.
  • Handle: RePEc:eee:renene:v:145:y:2020:i:c:p:914-924
    DOI: 10.1016/j.renene.2019.06.095
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    Citations

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    Cited by:

    1. Alejandro García-Gil & Miguel Mejías Moreno & Eduardo Garrido Schneider & Miguel Ángel Marazuela & Corinna Abesser & Jesús Mateo Lázaro & José Ángel Sánchez Navarro, 2020. "Nested Shallow Geothermal Systems," Sustainability, MDPI, vol. 12(12), pages 1-13, June.
    2. Cassina, Lisa & Laloui, Lyesse & Rotta Loria, Alessandro F., 2022. "Thermal interactions among vertical geothermal borehole fields," Renewable Energy, Elsevier, vol. 194(C), pages 1204-1220.
    3. Simona Adrinek & Mitja Janža & Mihael Brenčič, 2023. "Impact of Open-Loop Systems on Groundwater Temperature in NE Slovenia," Sustainability, MDPI, vol. 15(18), pages 1-24, September.
    4. Zhang, Tiansheng & Liu, Chun & Bayer, Peter & Zhang, Liwei & Gong, Xulong & Gu, Kai & Shi, Bin, 2022. "City-wide monitoring and contributing factors to shallow subsurface temperature variability in Nanjing, China," Renewable Energy, Elsevier, vol. 199(C), pages 1105-1115.
    5. Walch, Alina & Mohajeri, Nahid & Gudmundsson, Agust & Scartezzini, Jean-Louis, 2021. "Quantifying the technical geothermal potential from shallow borehole heat exchangers at regional scale," Renewable Energy, Elsevier, vol. 165(P1), pages 369-380.
    6. Halilovic, Smajil & Böttcher, Fabian & Zosseder, Kai & Hamacher, Thomas, 2023. "Optimizing the spatial arrangement of groundwater heat pumps and their well locations," Renewable Energy, Elsevier, vol. 217(C).
    7. Walch, Alina & Li, Xiang & Chambers, Jonathan & Mohajeri, Nahid & Yilmaz, Selin & Patel, Martin & Scartezzini, Jean-Louis, 2022. "Shallow geothermal energy potential for heating and cooling of buildings with regeneration under climate change scenarios," Energy, Elsevier, vol. 244(PB).
    8. Serianz, Luka & Rman, Nina & Golobič, Iztok & Brenčič, Mihael, 2022. "Groundwater heat transfer and thermal outflow plume modelling in the Alps," Renewable Energy, Elsevier, vol. 182(C), pages 751-763.

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