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Worksheet <br /> Worksheet for Trapezoidal Channel <br /> Project Description <br /> Worksheet Trapezoidal <br /> Channel-1 <br /> Flow Element Trapezoidal <br /> Channel <br /> Method Manning's <br /> Formula <br /> Solve For Discharge <br /> Input Data <br /> Mannings 0.013 <br /> Coefficient <br /> Slope 0.25000 ft/ft <br /> 0 <br /> Depth 1.50 ft <br /> Left Side Slope 1.00 H :V <br /> Right Side Slope 1.00 H :V <br /> Bottom Width 1.00 ft <br /> Results <br /> Discharge 171.41 cfs <br /> Flow Area 3.7 ft2 <br /> Wetted 5.24 ft <br /> Perimeter <br /> Top Width 4.00 ft <br /> ® Critical Depth 4.02 ft <br /> Critical Slope 0.002862 ft/ft <br /> Velocity 45.71 ft/s <br /> Velocity Head 32.47 ft <br /> Specific Energy 33.97 ft <br /> Froude Number 8.32 <br /> Flow Type Supercritical <br /> Notes:Forward Landfill <br /> North Slope Downdrain 2-6 <br /> 2-Q 100=27.49cfs <br /> 3-Q 100=28.81 cfs <br /> 4-Q 100=36.57cfs <br /> 5-Q 100=31.90cfs <br /> 6-Q 100=29.27cfs <br /> 5/20/200$ <br />