Science – Society – Technology
From: Hydrological constraints on the potential of enhanced geothermal systems in the ductile crust
Property | Value |
---|---|
Rock porosity (\(\phi\)) | 0.01 |
Rock density (\({\rho }_{r})\) | 2700 kg m3 |
Thermal conductivity (\(\lambda )\) | Temperature-dependent according to Whittington et al. (2009) |
Rock isobaric heat capacity (\({c}_{p,r}\)) | 880 J kg−1 C−1 |
Rock compressibility (\({\beta }_{r}\)) | 5 × 10–10 Pa−1 |
Stress exponent (\(n\))a | 3.1 |
Activation energy (\(Q\))a | 243 kJ mol−1 |
Flow parameter (\(A\))a | 0.08 |