Feasibility of underground seasonal storage of solar heat in Finland

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Janiszewski, Mateusz
dc.contributor.author Kopaly, Antoni
dc.contributor.author Honkonen, Mikko
dc.contributor.author Kukkonen, Ilmo
dc.contributor.author Uotinen, Lauri
dc.contributor.author Siren, Topias
dc.contributor.author Rinne, Mikael
dc.contributor.editor PG, Ranjith
dc.contributor.editor Jian, Zhao
dc.date.accessioned 2017-10-15T20:58:19Z
dc.date.available 2017-10-15T20:58:19Z
dc.date.issued 2016-09-29
dc.identifier.citation Janiszewski , M , Kopaly , A , Honkonen , M , Kukkonen , I , Uotinen , L , Siren , T & Rinne , M 2016 , Feasibility of underground seasonal storage of solar heat in Finland . in R PG & Z Jian (eds) , International Conference on Geo-mechanics, Geo-energy and Geo-resources : Conference Proceedings . , 236 , Monash University , Melbourne, Australia , pp. 959-965 , International Conference on Geo-mechanics, Geo-energy and Geo-resources , Melbourne , Australia , 28-29 September . en
dc.identifier.isbn 978-0-9953929-0-8
dc.identifier.other PURE UUID: ff9f0813-cc57-494c-a5ba-9286d7777d93
dc.identifier.other PURE ITEMURL: https://research.aalto.fi/en/publications/feasibility-of-underground-seasonal-storage-of-solar-heat-in-finland(ff9f0813-cc57-494c-a5ba-9286d7777d93).html
dc.identifier.other PURE FILEURL: https://research.aalto.fi/files/15010510/IC3G_2016_paper_236.pdf
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/28362
dc.description.abstract The global challenge of climate change is urging for renewable energy sources to reduce greenhouse gas emissions. One of the applications of renewable energy is the solar district heating plant, which uses solar heat for space heating on a community scale. Seasonal storage of solar heat is crucial in solar district heating plants as a solution to the mismatch between the energy supply and demand. This is especially important in countries located in high latitudes with high levels of solar insolation and low heating demand in the summer, and low sun insolation and high heating demand in the winter time. This study investigates the selection of the most feasible method for seasonal storage of solar heat at high latitudes. The aim is to identify the key aspects of method selection and design of underground solar heat storage. Practices of underground thermal energy storage in Finland and other countries with similar ground conditions are reviewed. Five heat storage methods are evaluated based on their efficiency, cost, construction method, and suitability for typical ground conditions in Finland. The available methods of seasonal heat storage are compared, and the most promising method for solar heat storage in Finland is proposed. In addition, the potential provided by a combination of two or more methods is examined. The borehole storage method is proposed for storing solar heat in Finland. The combined method with a rock pit used for short-term heat storage and boreholes for long term storage is also an attractive and technically feasible option for Finnish ground conditions. en
dc.format.extent 7
dc.format.extent 959-965
dc.format.mimetype application/pdf
dc.language.iso en en
dc.relation.ispartof International Conference on Geo-mechanics, Geo-energy and Geo-resources en
dc.relation.ispartofseries International Conference on Geo-mechanics, Geo-energy and Geo-resources en
dc.rights openAccess en
dc.subject.other 1171 Geosciences en
dc.title Feasibility of underground seasonal storage of solar heat in Finland en
dc.type A4 Artikkeli konferenssijulkaisussa fi
dc.description.version Peer reviewed en
dc.contributor.department Department of Civil Engineering
dc.contributor.department University of Helsinki
dc.subject.keyword Seasonal thermal energy storage
dc.subject.keyword Solar district heating
dc.subject.keyword Method selection
dc.subject.keyword Finland
dc.subject.keyword 1171 Geosciences
dc.identifier.urn URN:NBN:fi:aalto-201710157222
dc.type.version publishedVersion


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