Determine the discharge through the following sections for a

Last updated: 5/4/2023

Determine the discharge through the following sections for a normal depth of 4 6 ft n 0 012 and blttom slope S 0 20 Solution a A rectangular section 18 4 ft wide 1 Section area A 2 Wetted perimeter Pw 3 Hydraulic radius Rh 4 Discharge flow rate Q b A circular section 18 4 ft in diameter 1 Inner angle 2 Section area A 3 Hydraulic radius Rh 4 Discharge flow rate Q c A right angled triangular section 1 Side slope m 2 Section area A 3 Hydraulic radius Rh 2 Wetted perimeter Pw rad 3 Hydraulic radius Rh 4 Discharge flow rate Q ft ft ft ft ft ft 4 Discharge flow rate Q d A trapezoidal section with a bottom width of 18 4 ft and side slope of V H 1 2 1 Section area A 2 ft cfs cfs ft cfs cfs