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Friction MethodManning Formula
Solve ForNormal Depth
Input Data
Roughness Coefficient0.045
Channel Slope 0.01870 ft/ft
Left Side Slope 4.00 ft/ft (H:V)
Right Side Slope4.00 ft/ft (H:V)
Discharge 9.30 ft³/s
Results
Normal Depth0.93ft
Flow Area3.49ft²
Wetted Perimeter7.70ft
Hydraulic Radius0.45ft
Top Width7.47ft
Critical Depth0.80ft
Critical Slope0.04163ft/ft
Velocity2.66ft/s
Velocity Head0.11ft
Specific Energy1.04ft
Froude Number0.69
Flow TypeSubcritical
GVF Input Data
Downstream Depth0.00 ft
Length 0.00 ft
Number Of Steps0
GVF Output Data
Upstream Depth 0.00 ft
Profile Description
Profile Headloss 0.00 ft
Downstream VelocityInfinityft/s
Upstream Velocity Infinity ft/s
Normal Depth 0.93 ft
Critical Depth0.80 ft
Channel Slope 0.01870 ft/ft
Critical Slope0.04163ft/ft
Worksheet for NORTH 25-YEAR 1.87%
4/12/2012 3:10:20 PM
Bentley Systems, Inc. Haestad Methods Solution CenterBentley FlowMaster [08.11.00.03]
27 Siemons Company Drive Suite 200 W Watertown, CT 06795 USA +1-203-755-16661of1Page