Title: |
MODELING HEAT EXTRACTION FROM A FRACTURE IN HOT DRY ROCK USING AN INTEGRAL EQUATION METHOD |
Authors: |
A. H.-D. Cheng., A. Ghassemi., E. Detournay |
Key Words: |
hot dry rock, numerical simulation |
Conference: |
Stanford Geothermal Workshop |
Year: |
2001 |
Session: |
hot dry rock |
Language: |
English |
File Size: |
148KB |
View File: |
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In the study of heat extraction by circulating water in a fracture embedded in geothermal reservoir, the heat conduction in the reservoir is typically assumed to be one-dimensional and perpendicular to the fracture. In this paper we demonstrate that by an integral equation formulation utilizing Green's function, the two-dimensional heat flow in the reservoir can be modeled. In the resulting numerical solution system, the discretization of reservoir geometry is entirely eliminated, leading to a much more efficient scheme. The two-dimensional heat conduction effect as compared to its one-dimensional simpli?cation is studied.
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