Normal Flow in Open Channels
Description
Precision:
Input
Channel Parameters
Type of channel
Wide
V-shaped
Rectangular
Trapezoidal
Circular
Manning's coefficient
n
Slope
S
V-shaped channel
Semi-vertex angle (deg)
α
Rectangular channel
Width (m)
w
Trapezoidal channel
Base width (m)
b
Side slope angle (deg)
θ
Circular channel
Diameter (m)
D
Calculations
Other Output
Depth (m)
h
Quantity of flow (m
3
s
-1
)
Q
Set one of h or Q and calculate the other.
Wetted perimeter (m)
P
Area (m
2
)
A
Hydraulic radius (m)
R
h
Bulk velocity (m s
-1
)
V
Mean depth (m)
h
av
Surface width (m)
b
s
Froude number
Fr
Critical depth (m)
h
c