Research Article
Numerical Investigation of the Influences of Wellbore Flow on Compressed Air Energy Storage in Aquifers
Table 1
List of the key parameters of the aquifer.
| Parameters | Value | Unit |
| Grain density | 2600 | kg/m3 | Permeability (horizontal) | | m2 | Permeability (vertical) | 3.0 × 10−14 | m2 | Porosity | 0.2 | | Compressibility | 1.0 × 10−10 | Pa−1 | Heat conductivity | 2.51 | W/(m·°C) | Rock grain special heat | 920 | J/(kg·°C) | Relative permeability function | van Genuchten-Mualem model | | Capillary pressure function | van Genuchten function | | Power in expression | 0.60 | | Aqueous phase residual saturation | 0.12 | | Gas phase residual saturation | 0.05 | | Capillary pressure strength between aqueous and gas phases | 675.68 | Pa | Maximum capillary pressure | 5.0 × 105 | Pa |
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