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Table 2 Main parameters for preliminary calculations

From: Heat storage efficiency, ground surface uplift and thermo-hydro-mechanical phenomena for high-temperature aquifer thermal energy storage

Material

Intrinsic permeability (vertical = horizontal) (m2)

Thermal conductivity (W/m·k)

Dispersivities (longitudinal/transversal) (m)

Solid heat capacity (J/ kg·K)

Density (kg/m3)

Porosity (−)

Elastic modulus (MPa)

Poisson’s ratio (−)

Top/bottom rock

1.0 × 10–16

2

5/1

1000

2700

0.3

5000

0.3

Aquifer

1.0 × 10–13

2

5/1

1000

2700

0.3

5000

0.3

Well screen

1.0 × 10–9

2

100/10

1000

2700

0.3

500

0.3