Refers to the percentage of the pipe that is filled at the calculation point.
Refers to the inner diameter of the pipe to be calculated.
A measure that shows how much the current pipe is leaning in the flow direction. Measured in per thousand.
A measure of how smooth the surface of the pipe is.
The flow that flows through the pipe.
| Laying sewage pipe: |  |
|---|---|
| Standing sewage pipe: |  |
| Partially filled pipe: |  |