Gehlin, S.E.A.; Hellström, G. - In: Renewable Energy 28 (2003) 14, pp. 2221-2238
In this paper different approaches to groundwater flow and its effect in the vicinity of a borehole ground heat exchanger are discussed. The common assumption that groundwater flow in hard rock may be modelled as a homogeneous flow in a medium with an effective porosity is confronted and models...