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Geoenergilösning för DN-huset
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy.
2014 (Swedish)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In this thesis proposals for different designs of a borehole thermal energy storage (BTES) have been developed for the building DN-huset in Stockholm, Sweden. To build a BTES results in savings in energy costs by approximately 44 %, i.e. 2 million Swedish crowns annually. Furthermore, a BTES would reduce the annual environmental impact with roughly 75-157 tonnes of CO2 equivalents per year, depending on how the electricity consumption’s environmental impact is estimated. The payback period is about 11 years, including the warm-up period that is necessary before commissioning the BTES. The savings in environmental impact and operating costs are a result of energy being reused. During the summer heat is stored in the bedrock beneath the building for retrieval about half a year later in the winter, when there is a heating demand. In addition to developing proposals for different BTES designs the thesis also examines the influence of certain design parameters, conservative choices and operating conditions.

Place, publisher, year, edition, pages
2014.
Series
UPTEC ES, ISSN 1650-8300 ; 14017
Keyword [en]
shallow geothermal, borehole thermal energy storage, BTES
Keyword [sv]
geoenergi, borrhålslager
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:uu:diva-227599OAI: oai:DiVA.org:uu-227599DiVA: diva2:730499
External cooperation
Sweco
Educational program
Master Programme in Energy Systems Engineering
Supervisors
Examiners
Available from: 2014-07-02 Created: 2014-06-27 Last updated: 2014-07-02Bibliographically approved

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Geoenergilösning för DN-huset - Christoffer Strandberg(4241 kB)326 downloads
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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Language
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