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Table 5 Variation of geothermal gradient with different specific heat extraction rates

From: Numerical investigation on the performance, sustainability, and efficiency of the deep borehole heat exchanger system for building heating

Scenario ID Geothermal gradient (°C m−1) Specific heat extraction rate imposed on the DBHE (W m−1) Description
3A 0.03 100 Standard geothermal gradient
3B 0.04 100 Elevated geothermal gradient
3C 0.04 200 Elevated geothermal gradient
3D 0.04 Var. Elevated geothermal gradient