Hazen-Williams Equation Formula
Calculates the water flow velocity in a pipe based on slope and roughness.
Formula
v = 0.85 · C · R^0.63 · S^0.54
Discipline: Civil Engineering. Result unit: m/s.
Variables and units
- v — Velocity (m/s): Flow velocity
- C — Hazen-Williams Coefficient: Pipe roughness coefficient
- R — Hydraulic Radius (m): Hydraulic radius
- S — Slope (m/m): Slope of the energy grade line