Water ρ, μ, P_v vs temperature and Moody roughness catalogue
Inputs
Water density, viscosity and vapor pressure versus temperature, plus a Moody-diagram roughness catalogue.
| Material | ε (mm) | ε (m) | ε/D |
|---|---|---|---|
| Drawn tubing / PVC / PE | 0.0015 | 1.50e-6 | 7.50e-6 |
| Commercial steel / wrought iron | 0.045 | 4.50e-5 | 2.25e-4 |
| Asphalted cast iron | 0.12 | 1.20e-4 | 6.00e-4 |
| Galvanized iron | 0.15 | 1.50e-4 | 7.50e-4 |
| Cast iron | 0.26 | 2.60e-4 | 1.30e-3 |
| Concrete (smooth) | 0.3 | 3.00e-4 | 1.50e-3 |
| Concrete (rough) | 3 | 3.00e-3 | 1.50e-2 |
| Riveted steel | 0.9 | 9.00e-4 | 4.50e-3 |
| Corrugated metal | 3 | 3.00e-3 | 1.50e-2 |