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Manning's Formula for Conveyance of Section Formula

GoConveyance given Discharge Formula

GoConveyance of Channel Section Formula

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Conveyance factor is the ratio of the discharge, Q, in a channel to the square root of the energy gradient, Sf. Check FAQs

C f = (\frac{1}{n}) \cdot A cs \cdot ({R H}^{\frac{2}{3}})

C_f - Conveyance Factor?n - Manning’s Roughness Coefficient?A_cs - Cross-Sectional Area of Channel?R_H - Hydraulic Radius of Channel?

Manning's Formula for Conveyance of Section Example

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Here is how the Manning's Formula for Conveyance of Section equation looks like with Values.

Here is how the Manning's Formula for Conveyance of Section equation looks like with Units.

Here is how the Manning's Formula for Conveyance of Section equation looks like.

1709.9759 = (\frac{1}{0.012}) \cdot 15 \cdot ({1.6}^{\frac{2}{3}})

1709.9759 = (\frac{1}{0.012}) \cdot 15m² \cdot ({1.6m}^{\frac{2}{3}})

1709.9759 = (\frac{1}{0.012}) \cdot 15 \cdot ({1.6}^{\frac{2}{3}})

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Manning's Formula for Conveyance of Section Solution

Follow our step by step solution on how to calculate Manning's Formula for Conveyance of Section?

FIRST Step Consider the formula

C f = (\frac{1}{n}) \cdot A cs \cdot ({R H}^{\frac{2}{3}})

Next Step Substitute values of Variables

∴

C f = (\frac{1}{0.012}) \cdot 15m² \cdot ({1.6m}^{\frac{2}{3}})

Next Step Prepare to Evaluate

∴

C f = (\frac{1}{0.012}) \cdot 15 \cdot ({1.6}^{\frac{2}{3}})

Next Step Evaluate

∴

C f = 1709.9759466767

LAST Step Rounding Answer

∴

C f = 1709.9759

Manning's Formula for Conveyance of Section Formula Elements

Variables

Conveyance Factor

Conveyance factor is the ratio of the discharge, Q, in a channel to the square root of the energy gradient, Sf.

Symbol: C_f

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Conveyance Factor

Manning’s Roughness Coefficient

Manning’s Roughness Coefficient represents the roughness or friction applied to the flow by the channel.

Symbol: n

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Manning’s Roughness Coefficient

Cross-Sectional Area of Channel

Cross-Sectional Area of Channel is the area of a two-dimensional shape that is obtained when a three-dimensional shape is sliced perpendicular to some specified axis at a point.

Symbol: A_cs

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Cross-Sectional Area of Channel

Hydraulic Radius of Channel

Hydraulic Radius of Channel 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.

Symbol: R_H

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Hydraulic Radius of Channel

Other Formulas to find Conveyance Factor

Go Conveyance given Discharge

C f = \frac{Q}{\sqrt{S}}

Go Conveyance of Channel Section

C f = C \cdot A cs \cdot \sqrt{R H}

Go Manning's Formula for Conveyance given Discharge

C f = \frac{Q}{\sqrt{S}}

Other formulas in Computation of Uniform Flow category

Go Discharge through Channel

Q = C \cdot A cs \cdot \sqrt{R H \cdot S}

Go Area of Channel Section given Discharge

A cs = \frac{Q}{C \cdot \sqrt{R H \cdot S}}

Go Hydraulic Radius of Channel Section given Discharge

R H = \frac{{(\frac{Q}{C \cdot A cs})}^{2}}{S}

Go Bed Slope of Channel Section given Discharge

S = \frac{{(\frac{Q}{C \cdot A cs})}^{2}}{R H}

How to Evaluate Manning's Formula for Conveyance of Section?

Manning's Formula for Conveyance of Section evaluator uses Conveyance Factor = (1/Manning’s Roughness Coefficient)*Cross-Sectional Area of Channel*(Hydraulic Radius of Channel^(2/3)) to evaluate the Conveyance Factor, Manning's Formula for Conveyance of Section formula is defined as the conveyance of section constant which is depending on channel area and chezy constant and hydraulic radius. Conveyance Factor is denoted by C_f symbol.

How to evaluate Manning's Formula for Conveyance of Section using this online evaluator? To use this online evaluator for Manning's Formula for Conveyance of Section, enter Manning’s Roughness Coefficient (n), Cross-Sectional Area of Channel (A_cs) & Hydraulic Radius of Channel (R_H) and hit the calculate button.

FAQs on Manning's Formula for Conveyance of Section

What is the formula to find Manning's Formula for Conveyance of Section?

The formula of Manning's Formula for Conveyance of Section is expressed as Conveyance Factor = (1/Manning’s Roughness Coefficient)*Cross-Sectional Area of Channel*(Hydraulic Radius of Channel^(2/3)). Here is an example- 387.5945 = (1/0.012)*15*(1.6^(2/3)).

How to calculate Manning's Formula for Conveyance of Section?

With Manning’s Roughness Coefficient (n), Cross-Sectional Area of Channel (A_cs) & Hydraulic Radius of Channel (R_H) we can find Manning's Formula for Conveyance of Section using the formula - Conveyance Factor = (1/Manning’s Roughness Coefficient)*Cross-Sectional Area of Channel*(Hydraulic Radius of Channel^(2/3)).

What are the other ways to Calculate Conveyance Factor?

Here are the different ways to Calculate Conveyance Factor-

Conveyance Factor=Discharge of Channel/sqrt(Bed Slope)
Conveyance Factor=Chezy's Constant*Cross-Sectional Area of Channel*sqrt(Hydraulic Radius of Channel)
Conveyance Factor=Discharge of Channel/sqrt(Bed Slope)

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Manning's Formula for Conveyance of Section Formula

​GoConveyance given Discharge Formula

​GoConveyance of Channel Section Formula

Manning's Formula for Conveyance of Section Example

Manning's Formula for Conveyance of Section Solution

Manning's Formula for Conveyance of Section Formula Elements

Other Formulas to find Conveyance Factor

Other formulas in Computation of Uniform Flow category

How to Evaluate Manning's Formula for Conveyance of Section?

FAQs on Manning's Formula for Conveyance of Section

Variable Name

GoConveyance given Discharge Formula

GoConveyance of Channel Section Formula