Example 8.6
The cross-section of the flow in a river during a flood was as shown in fig 8.91
Assuming the roughness coefficients for the side channel and main channel to
Be 0.04 and 0.03 respectively, estimate the discharge.
Bed slope = 0.005
Area of main channel (bank full) = 280 m^2
Wetted perimeter of main channel = 54 m
Area of flow in side channel = 152.25 m^2