Programming
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UF_iS4000_BA_02_1811
V-notch weir 30°
Equation
Q – Volumetric flow [m³/s]
g – Standard gravity 9.80665 [m/s²]
h – Water level [m]
V-notch weir 45°
Equation
Q – Volumetric flow [m³/s]
g – Standard gravity 9.80665 [m/s²]
h – Water level [m]
V-notch weir 60°
Equation
Q – Volumetric flow [m³/s]
g – Standard gravity 9.80665 [m/s²]
h – Water level [m]
V-notch weir 90°
Equation
Q – Volumetric flow [m³/s]
g – Standard gravity 9.80665 [m/s²]
h – Water level [m]
Manning equation:
Q = 1/n R
h
2/3
I
1/2
A R
h
=A/P
Manning rectangular
Equation
Q – Volumetric flow [m³/s]
n – Gauckler-Manning coefficient [
]
L – Width [m]
h – Water level [m]
α
– Angle [°]
I – Water surface slope [m/m]
Manning pipe
Equation
where
Q – Volumetric flow [m³/s]
n – Gauckler-Manning coefficient [
]
L – Width [m]
h – Water level [m]
I – Water surface slope [m/m]
