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Analysis and modeling of a large borehole system in Sweden
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration. KTH - Royal Institute of Technology.ORCID iD: 0000-0002-0550-2769
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration. KTH - Royal Institute of Technology.
KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Applied Thermodynamics and Refrigeration. KTH - Royal Institute of Technology.
2016 (English)Conference paper (Refereed)
Abstract [en]

This paper presents a study on the thermal simulationof a large existing borehole thermal energy storage(BTES) system located in Stockholm, Sweden. Thebore field investigated presents an uneven pattern,which comprises vertical and inclined boreholes, for atotal of 130 units. Such complex bore field geometrycannot be modeled with the current availablecommercial design tools. The test case presented isutilized to explore the influence of boundaryconditions and level of detail utilized for representingthe model geometry on the output of the simulation.Two boundary conditions and three geometricalconfigurations were studied. The results show that, inthe considered case, the results obtained with thetested models give a marginal difference, hence alsothe greatest level of simplification can be utilizedwithout loosing accuracy in the analysis.

Place, publisher, year, edition, pages
2016.
Keyword [en]
Bore field, modeling, finite line source
National Category
Energy Engineering
Research subject
Energy Technology
Identifiers
URN: urn:nbn:se:kth:diva-202748OAI: oai:DiVA.org:kth-202748DiVA: diva2:1078531
Conference
European Geothermal Congress 2016, Strasbourg, France, 19-24 Sept 2016
Available from: 2017-03-05 Created: 2017-03-05 Last updated: 2017-03-05

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