Pipe Flow
Hazen–Williams Head Loss
Empirical head loss formula for water in pipes. Widely used in water-supply design. Valid for turbulent flow of water at ordinary temperatures.
Formula
hf = 10.67 · L · Q^1.852 / (C^1.852 · D^4.87)
Resultlive
- Velocity, V
- 1.6977m/s
- Head loss, hf
- 8.8018m
- Hydraulic slope, S = hf/L
- 17.604m per km
- Velocity head, V²/2g
- 0.14689m
Reference: SI form of the Hazen–Williams equation with Q in m³/s, D in m, L in m, hf in m.