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This work examines heat transfer in fractured crystalline rocks with application to heat mining from hot dry rocks (HDR). The object of this study is to investigate the dimensional effect of heat diffusion within the rock matrix. Analytical models based on the Laplace-transform technique assume one-dimensional heat flow within the rock matrix perpendicular to the fracture plane. These so called...
This work examines 3-D advective-conductive heat transfer during forced water circulation through fractured crystalline rocks. The subject of the modelling investigation is the Hot-Dry-Rock (HDR) site at Soultz-sous-Forets, Alsace, France. Fracture data from borehole logging provides an insight to the complex structure of crystalline rocks. The proposed model is based on the general idea, that...
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