Table 1 Material properties of the well, casing and rock matrix

From: On the limitations of closed-loop geothermal systems for electricity generation outside high-geothermal gradient fields

Material properties

Well

Casing

Rock matrix

Permeability (\({m}^{2}\))

\(1\cdot {10}^{-6}\)

\(1\cdot {10}^{-25}\)

\(1\cdot {10}^{-18}\)

Porosity (\(-\))

\(0.99\)

0.005

\(0.01\)

Thermal Conductivity (W/m/K)

\(0.675\)

43.75

\(3\)

Specific heat capacity (J/kg/K)

\(4186\)

400

\(960\)

Density (kg/m3)

\(1\)000

8060

\(2700\)