Description

Calculates the critical depth in circular channels.

Calculation Methods

1. Critical depth

Parameter	Default Units	Description
Incoming flow	l/s	Volume of water entering the channel
Diameter	mm	Diameter of the circular channel
Manning coefficient	-	Roughness factor affecting flow

Output Data

Parameter	Default Units	Description
Critical depth	m	Depth of critical flow
Critical slope	-	Critical slope required for flow
Flow	m³/s	Calculated flow in the channel