Research Article
A Thermal-Hydraulic-Mechanical Coupling Study of Heat Extraction from the Geothermal Reservoir with a Discrete Fracture Network
Table 3
Different coupling factors in four scenarios.
| | Coupling factor | Formula term | Scenario 1 (TH) | Scenario 2 THM) | Scenario 3 (TH+roughness) | Scenario 4 (THM+roughness) |
| | HM | Initial stress equilibrium | √ | √ | √ | √ | | TH |
, | √ | √ | √ | √ | | HM for the matrix |
| ✗ | √ | ✗ | √ | | HM for the fracture |
| ✗ | √ | ✗ | √ | | TM | | ✗ | √ | ✗ | √ | | Fracture roughness | | ✗ | ✗ | √ | √ |
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