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Numerical investigation of ground-coupled, vertical borehole heat exchangers with groundwater advection
Universita Degli Studi di Trieste.
2012 (English)In: Heat Transfer Research, ISSN 1064-2285, E-ISSN 2162-6561, Vol. 43, no 4, p. 343-362Article in journal (Refereed) Published
Abstract [en]

Groundwater advection is commonly neglected in the design of ground-coupled, vertical borehole heat exchangers. In this work, the efficiency of heat transfer from a vertical borehole with groundwater advection is investigated by numerical simulations. The actual borehole geometry is accounted for, resulting in a perturbed flow field. The present results are compared with the analytical solution for the transient, two-dimensional heat convection around a line heat source derived by Diao et al. (2004). A wide range of viable Peclet numbers is considered.

Place, publisher, year, edition, pages
2012. Vol. 43, no 4, p. 343-362
National Category
Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-4959DOI: 10.1615/HeatTransRes.2012004565Local ID: 2f74e4a5-4aee-4a6d-b7f7-046893aeb82eOAI: oai:DiVA.org:ltu-4959DiVA: diva2:977833
Note
Upprättat; 2012; 20120823 (albliu)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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