Skip to main content

Science – Society – Technology

Geothermal Energy Cover Image

Table 2 List of all simulated scenarios and features

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) Pipe wall thermal conductivity (W m−1 K−1) Grout thermal conductivity (W m−1 K−1) Soil thermal conductivity (W m−1 K−1) Operation period (days) Groundwater flow
0 0.03 Const. 1.3 2.5 120 N
1A–D 0.03 Var. 1.3 2.5 120 N
2A–D 0.03 Const. Var. 2.5 120 N
3A–D Var. Const. 1.3 2.5 120 N
4A–E 0.03 Const. 1.3 Var. 120 N
5A–D 0.03 Const. 1.3 2.5 120 Y
6A–B 0.03 Const. 1.3 2.5 10950 (30 years) N