Table 1.
Testing results of the untreated pipes.
| Test | PVC90 | PVC63 | ||||||
|---|---|---|---|---|---|---|---|---|
| Flow (l/s) | Re | hf (mm) | f | Flow (l/s) | Re | hf (mm) | f | |
| 1 | 1.53 | 2.31E+04 | 4.5 | 0.0257 | 0.47 | 1.02E+04 | 3.0 | 0.0305 |
| 2 | 1.97 | 2.98E+04 | 7.0 | 0.0240 | 0.83 | 1.79E+04 | 8.0 | 0.0261 |
| 3 | 2.44 | 3.69E+04 | 10.0 | 0.0223 | 1.17 | 2.51E+04 | 14.5 | 0.0241 |
| 4 | 2.72 | 4.11E+04 | 12.0 | 0.0216 | 1.56 | 3.35E+04 | 24.5 | 0.0229 |
| 5 | 3.06 | 4.62E+04 | 15.0 | 0.0215 | 1.83 | 3.94E+04 | 32.5 | 0.0219 |
| 6 | 3.42 | 5.16E+04 | 18.0 | 0.0206 | 2.00 | 4.30E+04 | 38.0 | 0.0215 |
| 7 | 3.71 | 5.60E+04 | 21.0 | 0.0204 | 2.39 | 5.14E+04 | 52.0 | 0.0206 |
| 8 | 4.03 | 6.09E+04 | 24.5 | 0.0202 | 2.58 | 5.56E+04 | 60.0 | 0.0204 |
| 9 | 4.69 | 7.09E+04 | 32.0 | 0.0194 | 2.89 | 6.22E+04 | 73.5 | 0.0199 |
| 10 | 5.22 | 7.89E+04 | 38.5 | 0.0189 | 3.17 | 6.81E+04 | 86.5 | 0.0195 |
| 11 | 3.44 | 7.41E+04 | 100.5 | 0.0192 | ||||
| 12 | 3.81 | 8.19E+04 | 120.0 | 0.0188 | ||||