Fig. 1.
Fig. 2.
Results of calculations of thermal energy indicators of a geothermal ventilation system in the CPY of a residential building in the Rivne region with a ground heat exchanger (GHE) installed using a coil format (own research)
| Depth of installation [m] | Minimum temperature at GHE inlet [°C] | Minimum temperature at GHE outlet [°C] | Pressure losses in GHE [Pa] | Air velocity in GHE [m/s] | Total pipes length [m] |
|---|---|---|---|---|---|
| 1.5 | −21.1 | −3.5 | 23.87 | 2.22 | 177 |
| 2.0 | −21.1 | −3.9 | 23.06 | 2.22 | 171 |
| 2.5 | −21.1 | −3.3 | 23.39 | 2.22 | 168 |
| 3.0 | −21.1 | −2.7 | 22.12 | 2.22 | 164 |
| 3.5 | −21.1 | −2.1 | 21.17 | 2.22 | 157 |
The results of calculations of the thermal energy characteristics of the geothermal ventilation system in the CPY of a residential building in the Rivne region with a GHE installed according to the Tichelmann scheme (own research)
| Depth of installation [m] | Minimum temperature at GHE inlet [°C] | Minimum temperature at GHE outlet [°C] | Pressure losses in the collector Dn 400/250 [Pa] | Pressure losses in the pipes Dn 250 mm of GHE [Pa] | Air velocity in the pipes Dn 250 mm of GHE [m/s] | Total pipes Dn 250 mm length [m] |
|---|---|---|---|---|---|---|
| 1.5 | −21.1 | −4.9 | 14.31 | 1.27 | 3.46 | 416 |
| 2.0 | −21.1 | −3.7 | 14.28 | 1.23 | 3.46 | 403 |
| 2.5 | −21.1 | −3.3 | 14.29 | 0.96 | 3.46 | 403 |
| 3.0 | −21.1 | −2.3 | 14.24 | 1.19 | 3.46 | 390 |
| 3.5 | −21.1 | −2.1 | 14.25 | 1.16 | 3.46 | 377 |