Broad-Crested Weir
Description
Precision:
Gravity (m s
-2
)
g
Channel width (m)
b
Weir height (m)
z
b
Volumetric flow rate (m
3
s
-1
)
Q
Depth over weir (m)
h
c
Specify one of Q or h
c
and calculate the other.
Critical Conditions
Total head (m)
H
Upstream (Subcritical)
Downstream (Supercritical)
Depth (m)
h
1
h
2
Velocity (m s
-1
)
u
1
u
2
Froude number
Fr
1
Fr
2