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Table 2 Parameters used for the numerical simulation of the temperature distribution around the BHE

From: Temperature sensor module for groundwater flow detection around borehole heat exchangers

Units

Thermal conductivity [W m−1 K−1]

Volumetric heat capacity [MJ K−1 m−3]

Permeability [m2]

Porosity [–]

Temperature [°C]

Ground

2.8

2.0

3 × 10−11

0.330

10.0

Thermocem

2.0

1.0

1 × 10−19

0.010

10.0

Inlet tubes

0.3

4.0

1 × 10−20

0.001

7.0

Outlet tubes

0.3

4.0

1 × 10−20

0.001

7.3