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Table 2 Parameter of the horizontal BHE model

From: First field application of temperature sensor modules for groundwater flow detection near borehole heat exchanger

ParameterValue
Model dimensions150 × 150, 3.2 mm to 4 cm
Pipe diameter32 mm
Thermal conductivity of cement2 W m−1 K−1
Thermal conductivity of soil2.97 W m−1 K−1 (@ 82 m), 3.4 W m−1 K−1 (@ 94 m)
Inlet temperature13.8 °C
Outlet temperature13.7 °C (@ 82 m), 13.75 °C (@ 94 m)
Undisturbed soil temperature12 °C (@ 82 m), 12.4 °C (@ 94 m)