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Table 1 Parameters used for the numerical simulation of the working fluid temperature

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 1.2–3.0 2.3 3 × 10−11 0.200–0.300 10.0
BHE cement 2.0 1.0 1 × 10−19 0.010 10.0
Pipe 0.3 4.0 1 × 10−20 0.001 Calculated