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Table 3 Parameters used for calculations
Designation | Parameter | Value | Unit |
|---|---|---|---|
a | Thermal diffusivity of rocks | 0.086 | m2/day |
C v | Volumetric heat capacity of water | 4.2 | MJ/(m3 °C) |
\(H_{0}\) | The depth of the neutral layer | 10 | m |
\(I_{0}\) | Groundwater head pressure gradient | 0003 | – |
\(k\) | Rock conductivity | 2 | m/day |
\(l\) | Distance between injection and pumping wells | 800 | m |
\(m\) | Aquifer thickness | 20 | m |
\(n\) | Active porosity | 0.2 | – |
\(r_{\text{w}}\) | Well radius | 0.1 | m |
\(T_{0}\) | Water temperatures in rocks at a depth of the neutral layer | 10 | °C |
\(T_{\text{out}}\) | Cooled water temperature | 5–15 | °C |
\(\lambda\) | Thermal conductivity of rocks | 1.8 | W/(m °C) |
\(_{\text{inj}}\) | Density of injected water | 1016–1056 | kg/m3 |