Mannings N: closed_conduits
Manning's n roughness coefficients for open channels and closed conduits — used in hydraulic flow calculations
| section | description | n max (dimensionless) | n min (dimensionless) | n normal (dimensionless) | subcategory |
|---|---|---|---|---|---|
| closed_conduits | 1. Brass, smooth: | 0.013 | 0.009 | 0.01 | |
| closed_conduits | Black | 0.015 | 0.012 | 0.014 | 4. Wrought Iron: |
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