Hydraulic Radius in Discharge Measurements 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 Discharge Measurements

fxHydraulic radius in Manning's formulaGo

fxHydraulic Radius using Manning EquationGo

Discharge Measurements formulas that make use of Hydraulic Radius

fxManning's EquationGo

fxSlope of Gradient of Stream Bed given Discharge in Manning's EquationGo

List of variables in Discharge Measurements formulas

fx Cross-Sectional Area Go

fx Wetted Perimeter Go

fx Stream Velocity Go

fx Manning’s Roughness Coefficient Go

fx Bed Slope 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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