Science – Society – Technology
From: A numerical investigation of combined heat storage and extraction in deep geothermal reservoirs
Parameter | Reservoir | Confining bed |
---|---|---|
Thickness (m) | 50 | 500 |
Hydraulic conductivity (m/s) | 4 × 10−6 | 10−11 |
Specific storage (1/m) | 2 × 10−6 | 2 × 10−6 |
Thermal conductivity of matrix (W/m/°K) | 6.0 | 2.0 |
Thermal conductivity of fluid (W/m/°K) | 0.62 | 0.62 |
Volumetric heat capacity of matrix (MJ/m3/°K) | 2.3 | 2.3 |
Volumetric heat capacity of fluid (MJ/m3/°K) | 4.0 | 4.0 |
Longitudinal dispersivity (m) | 10 | 10 |
Transverse dispersivity (m) | 1 | 1 |
Porosity (%) | 25 | 25 |