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Seasonal heat storage in rock at Luleå Sweden
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0001-7144-9778
1985 (English)In: Tunnel-City 1985, Praha: Czechoslovak Tunnelling Committee , 1985, p. 270-279Conference paper, Published paper (Refereed)
Abstract [en]

A seasonal heat storage system was constructed in 1982-83 at Lulea University of Technology. The heat extraction from the storage system, 2 GWh, corresponds to the heat demand of 100 one-family-houses in northern Sweden. The store has been in operation since July, 1983. The borehole heat store consists of a rock volume of 100,000 m**3, perforated by 120 vertical boreholes to a depth of 65m. The heat is stored in the rock volume itself. The boreholes work as heat exchangers. During the summer the heat store is supplied with heat via the district heating network. During the winter the heat is utilized for heating of one of the university buildings. Construction, operation and functioning of the heat store is evaluated in a research project conducted by WREL.

Place, publisher, year, edition, pages
Praha: Czechoslovak Tunnelling Committee , 1985. p. 270-279
National Category
Water Engineering
Research subject
Water Resources Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-27457Local ID: 0e9a1f90-c1b3-11db-9ea3-000ea68e967bOAI: oai:DiVA.org:ltu-27457DiVA, id: diva2:1000641
Conference
Tunnel-City 85 : Underground Structures in urban areas 01/09/1985 - 02/09/1985
Note
Godkänd; 1985; 20070209 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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