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dc.contributor.authorNordbotten, Jan Martin
dc.PublishedNordbotten JM. Analytical solutions for aquifer thermal energy storage. Water Resources Research. 2017;53(2):1354-1368eng
dc.description.abstractThe concept of aquifer thermal energy storage involves injection of water at elevated temperature, and possibly nonambient salinity, into a host aquifer. We consider axisymmetric injection, wherein both the composition and temperature of the injected fluid differ from the fluid in the target aquifer. In this setting, we derive the governing equations within a vertically integrated framework, and show their self‐similar structure. We subsequently derive explicit approximate solutions to the self‐similar equations for parameter ranges of relevance to thermal energy storage (small density and viscosity differences). The analysis is supported by numerical validation, covering the relevant parameter regime. The resulting comparisons demonstrate the mathematical qualities of the analytical approximations. A study based on field data from analogue sites justifies the assertions regarding the magnitude of the dimensionless parameters used in the analysis.en_US
dc.publisherAmerican Geophysical Unionen_US
dc.rightsAttribution CC BY-NC-NDeng
dc.titleAnalytical solutions for aquifer thermal energy storageen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2017 The Author(s)en_US
dc.source.journalWater Resources Research
dc.relation.projectNorges forskningsråd: 250223

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