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Development of a Calculation Concept for Mapping Specific Heat Extraction for Very Shallow Geothermal Systems

Author

Listed:
  • Hans Schwarz

    (GeoZentrum Nordbayern, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Schlossgarten 5, 91054 Erlangen, Germany)

  • Nikola Jocic

    (Faculty of Geography, University of Belgrade, Studentski trg 3/III, 11000 Belgrade, Serbia)

  • David Bertermann

    (GeoZentrum Nordbayern, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Schlossgarten 5, 91054 Erlangen, Germany)

Abstract

Horizontal shallow geothermal applications are easy to install, and their installation process is less liable to legislation than other geothermal systems. Due to a lack of planning guidance, the opportunity to implement such systems is often overlooked, although geothermal installations are urgently needed as a sustainable energy source. To give a foundation for including very shallow geothermal systems in local heat supply planning, potential maps are crucial. To enable their utilization in energy use plans or similar elaborations for municipalities, location-specific and system-specific heat extractions are required. Since applicable standards are not available, it is nearly impossible to provide aggregate propositions, which are essential for potential maps. In this study, a concept was evolved for deriving very shallow geothermal potential maps with location-specific and system-specific heat extraction values. As a basis, VDI 4640 Part 2 information regarding heat extraction and respective climate zone references was utilized. Furthermore, climate information and a soil map were needed to apply the concept to the study area. The application of the concept in an Austrian study area resulted in appropriate potential maps. Moreover, this concept is similarly applicable in other areas of interest.

Suggested Citation

  • Hans Schwarz & Nikola Jocic & David Bertermann, 2022. "Development of a Calculation Concept for Mapping Specific Heat Extraction for Very Shallow Geothermal Systems," Sustainability, MDPI, vol. 14(7), pages 1-18, April.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:7:p:4199-:d:785148
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    References listed on IDEAS

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