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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 12.00 ft³/s
Results
Normal Depth1.03ft
Flow Area4.23ft²
Wetted Perimeter8.48ft
Hydraulic Radius0.50ft
Top Width8.22ft
Critical Depth0.89ft
Critical Slope0.04024ft/ft
Velocity2.84ft/s
Velocity Head0.13ft
Specific Energy1.15ft
Froude Number0.70
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 1.03 ft
Critical Depth0.89 ft
Channel Slope 0.01870 ft/ft
Critical Slope0.04024ft/ft
Worksheet for NORTH 100-YEAR 1.87%
4/12/2012 3:09:45 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