Refers to the depth of the current gutter.
The flow that flows in the drain pipe or alternatively in the gutter.
What proportion of the drainage pipe is filled, usually up to 0,33.
Refers to the inside diameter of the calculated gully.
The slope with which the gutter is mounted.
Refers to the length of the gutter that brings stormwater to a gutter.
A measure of how smooth the tubular material the tubing is made of is.
Cross-sectional area of the current gutter.