Hydraulic Radius in Slope Area Method Formulas

Hydraulic Radius is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit. And is denoted by r_H. Hydraulic Radius is usually measured using the Meter for Length. Note that the value of Hydraulic Radius is always negative.

Formulas to find Hydraulic Radius in Slope Area Method

fxHydraulic Radius given Conveyance of Channel for Uniform FlowGo

Slope Area Method formulas that make use of Hydraulic Radius

fxArea of Channel with known Conveyance of ChannelGo

fxConveyance of ChannelGo

List of variables in Slope Area Method formulas

fx Conveyance Function Go

fx Manning’s Roughness Coefficient Go

fx Cross-Sectional Area Go

FAQ

What is the Hydraulic Radius?

Hydraulic Radius is the ratio of the cross-sectional area of a channel or pipe in which a fluid is flowing to the wet perimeter of the conduit. Hydraulic Radius is usually measured using the Meter for Length. Note that the value of Hydraulic Radius is always negative.

Can the Hydraulic Radius be negative?

Yes, the Hydraulic Radius, measured in Length can be negative.

What unit is used to measure Hydraulic Radius?

Hydraulic Radius is usually measured using the Meter[m] for Length. Millimeter[m], Kilometer[m], Decimeter[m] are the few other units in which Hydraulic Radius can be measured.

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