Gehlin, S.E.A.; Hellström, G.; Nordell, B. - In: Renewable Energy 28 (2003) 14, pp. 2239-2254
of great importance for the design and sizing of borehole thermal energy systems (BTESs). In Scandinavia groundwater … groundwater flow between the borehole and the surrounding rock. An enhanced heat transport then occurs due to the induced … part of the borehole while groundwater of ambient temperature enters the borehole through fractures at larger depths. This …