Table 5 Percentage of nodes with chlorine concentration < 0.5 mg L− 1 after simulating different concentrations (0.87, 1.2, 1.5 and 2 mg L− 1) in the distribution tank
| Chlorine concentration in the distribution tank (mg L− 1) | Node percentage (2 am) < 0.5 (mg L− 1) | Node percentage (9 am) < 0.5 (mg L− 1) |
|---|---|---|
| 0.87 | 45.2 | 37.7 |
| 1.2 | 25.2 | 18.5 |
| 1.5 | 12.1 | 8.2 |
| 2.0 | 7.7 | 2.3 |