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A method to estimate the hydraulic conductivity of the ground by TRT analysis
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0001-7144-9778
Swedish Centre for Shallow Geothermal Energy.
Number of Authors: 32017 (English)In: Ground Water, ISSN 0017-467X, E-ISSN 1745-6584, Vol. 55, no 1, p. 110-118Article in journal (Refereed) Published
Abstract [en]

An accurate knowledge of aquifers properties is important 2 in many disciplines, from hydrology to site characterization in order to designing and implementing remediation strategies, as well as geothermal ground source technologies. In par5 ticular, the groundwater flow rate is a fundamental parameter to be considered in the ground-coupled heat exchangers (GCHEs) design, together with the thermal properties of the ground. In fact, even relatively low flow rate entail temperature changes considerably lower than in the case of pure heat conduction (Gehlin and Hellström, 2003; Fan et al., 2007) and then relatively stable underground temper10 atures which allow heat pumps to operate with very efficient performance coefficients, thereby reducing energy costs (Lee et al., 2012). Moreover, an accurate knowledge of groundwater velocity and ground thermal properties allows a better design and dimensioning of the GCHE, with further reduction of costs. The objective of this paper is to propose an expeditious, graphical method to estimate the groundwater flow velocity from TRT analysis.  

Place, publisher, year, edition, pages
John Wiley & Sons, 2017. Vol. 55, no 1, p. 110-118
National Category
Water Engineering
Research subject
Water Resources Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-15163DOI: 10.1111/gwat.12443ISI: 000393955900013PubMedID: 27479510Scopus ID: 2-s2.0-84979980505Local ID: ea5adb4b-6837-4e92-bb64-900c878fe4fcOAI: oai:DiVA.org:ltu-15163DiVA, id: diva2:988136
Note

Validerad; 2017; Nivå 2; 2017-02-02 (andbra)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-09-14Bibliographically approved

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Scorpo, Alberto LiuzzoNordell, Bo

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