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Roughness Coefficient for Partial Flow given Self Cleansing Velocity Formula

GoRoughness Coefficient for Partial Flow given Velocity Ratio Formula

GoRoughness Coefficient for Partial Flow given Hydraulic Mean Depth Ratio Formula

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Roughness Coefficient Partially Full means roughness coefficient of pipe while running partially full. Check FAQs

n p = \frac{N}{\frac{\frac{V s}{V}}{{(\frac{r pf}{R rf})}^{\frac{2}{3}} \cdot \sqrt{S}}}

n_p - Roughness Coefficient Partially Full?N - Roughness Coefficient for Running Full?V_s - Velocity in a Partially Running Sewer?V - Velocity While Running Full?r_pf - Hydraulic Mean Depth for Partially Full?R_rf - Hydraulic Mean Depth while Running Full?S - Bed Slope Ratio?

Roughness Coefficient for Partial Flow given Self Cleansing Velocity Example

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Here is how the Roughness Coefficient for Partial Flow given Self Cleansing Velocity equation looks like with Values.

Here is how the Roughness Coefficient for Partial Flow given Self Cleansing Velocity equation looks like with Units.

Here is how the Roughness Coefficient for Partial Flow given Self Cleansing Velocity equation looks like.

0.9385 = \frac{0.74}{\frac{\frac{4.6}{6.01}}{{(\frac{3.2}{5.2})}^{\frac{2}{3}} \cdot \sqrt{1.8}}}

0.9385 = \frac{0.74}{\frac{\frac{4.6m/s}{6.01m/s}}{{(\frac{3.2m}{5.2m})}^{\frac{2}{3}} \cdot \sqrt{1.8}}}

0.9385 = \frac{0.74}{\frac{\frac{4.6}{6.01}}{{(\frac{3.2}{5.2})}^{\frac{2}{3}} \cdot \sqrt{1.8}}}

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Roughness Coefficient for Partial Flow given Self Cleansing Velocity Solution

Follow our step by step solution on how to calculate Roughness Coefficient for Partial Flow given Self Cleansing Velocity?

FIRST Step Consider the formula

n p = \frac{N}{\frac{\frac{V s}{V}}{{(\frac{r pf}{R rf})}^{\frac{2}{3}} \cdot \sqrt{S}}}

Next Step Substitute values of Variables

∴

n p = \frac{0.74}{\frac{\frac{4.6m/s}{6.01m/s}}{{(\frac{3.2m}{5.2m})}^{\frac{2}{3}} \cdot \sqrt{1.8}}}

Next Step Prepare to Evaluate

∴

n p = \frac{0.74}{\frac{\frac{4.6}{6.01}}{{(\frac{3.2}{5.2})}^{\frac{2}{3}} \cdot \sqrt{1.8}}}

Next Step Evaluate

∴

n p = 0.938459861670383

LAST Step Rounding Answer

∴

n p = 0.9385

Roughness Coefficient for Partial Flow given Self Cleansing Velocity Formula Elements

Variables

Functions

Roughness Coefficient Partially Full

Roughness Coefficient Partially Full means roughness coefficient of pipe while running partially full.

Symbol: n_p

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Roughness Coefficient Partially Full

Roughness Coefficient for Running Full

The Roughness Coefficient for Running Full accounts for uniform surface resistance affecting flow velocity and friction loss.

Symbol: N

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Roughness Coefficient for Running Full

Velocity in a Partially Running Sewer

Velocity in a Partially Running Sewer is the speed of flow when the sewer isn't fully filled, influenced by depth and slope.

Symbol: V_s

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity in a Partially Running Sewer

Velocity While Running Full

Velocity while Running Full refers to the speed of fluid flow in a pipe when it's completely filled, influenced by pipe slope and roughness.

Symbol: V

Measurement: SpeedUnit: m/s

Note: Value should be greater than 0.

Formulas to find Velocity While Running Full

Hydraulic Mean Depth for Partially Full

Hydraulic Mean Depth for Partially Full refers to the cross-sectional area of flow divided by the wetted perimeter, adapting to varying water levels.

Symbol: r_pf

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Hydraulic Mean Depth for Partially Full

Hydraulic Mean Depth while Running Full

Hydraulic Mean Depth while Running Full refers to the ratio of the pipe's full cross-sectional area to its full wetted perimeter.

Symbol: R_rf

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Hydraulic Mean Depth while Running Full

Bed Slope Ratio

The Bed Slope Ratio refers to the slope of a partially full pipe to the slope when it is completely full.

Symbol: S

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Bed Slope Ratio

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other Formulas to find Roughness Coefficient Partially Full

Go Roughness Coefficient for Partial Flow given Velocity Ratio

n p = \frac{N}{\frac{νsV ratio}{{(\frac{r pf}{R rf})}^{\frac{2}{3}} \cdot \sqrt{S}}}

Go Roughness Coefficient for Partial Flow given Hydraulic Mean Depth Ratio

n p = \frac{N}{\frac{\frac{V s}{V}}{{(R)}^{\frac{1}{6}}}}

How to Evaluate Roughness Coefficient for Partial Flow given Self Cleansing Velocity?

Roughness Coefficient for Partial Flow given Self Cleansing Velocity evaluator uses Roughness Coefficient Partially Full = Roughness Coefficient for Running Full/((Velocity in a Partially Running Sewer/Velocity While Running Full)/((Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(2/3)*sqrt(Bed Slope Ratio))) to evaluate the Roughness Coefficient Partially Full, Roughness Coefficient for Partial Flow given Self Cleansing Velocity calculates is defined for flow calculations, accounting for varied wetting of pipe surfaces. Roughness Coefficient Partially Full is denoted by n_p symbol.

How to evaluate Roughness Coefficient for Partial Flow given Self Cleansing Velocity using this online evaluator? To use this online evaluator for Roughness Coefficient for Partial Flow given Self Cleansing Velocity, enter Roughness Coefficient for Running Full (N), Velocity in a Partially Running Sewer (V_s), Velocity While Running Full (V), Hydraulic Mean Depth for Partially Full (r_pf), Hydraulic Mean Depth while Running Full (R_rf) & Bed Slope Ratio (S) and hit the calculate button.

FAQs on Roughness Coefficient for Partial Flow given Self Cleansing Velocity

What is the formula to find Roughness Coefficient for Partial Flow given Self Cleansing Velocity?

The formula of Roughness Coefficient for Partial Flow given Self Cleansing Velocity is expressed as Roughness Coefficient Partially Full = Roughness Coefficient for Running Full/((Velocity in a Partially Running Sewer/Velocity While Running Full)/((Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(2/3)*sqrt(Bed Slope Ratio))). Here is an example- 2.158458 = 0.74/((self_cleansing_velocity/6.01)/((3.2/5.2)^(2/3)*sqrt(1.8))).

How to calculate Roughness Coefficient for Partial Flow given Self Cleansing Velocity?

With Roughness Coefficient for Running Full (N), Velocity in a Partially Running Sewer (V_s), Velocity While Running Full (V), Hydraulic Mean Depth for Partially Full (r_pf), Hydraulic Mean Depth while Running Full (R_rf) & Bed Slope Ratio (S) we can find Roughness Coefficient for Partial Flow given Self Cleansing Velocity using the formula - Roughness Coefficient Partially Full = Roughness Coefficient for Running Full/((Velocity in a Partially Running Sewer/Velocity While Running Full)/((Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(2/3)*sqrt(Bed Slope Ratio))). This formula also uses Square Root (sqrt) function(s).

What are the other ways to Calculate Roughness Coefficient Partially Full?

Here are the different ways to Calculate Roughness Coefficient Partially Full-

Roughness Coefficient Partially Full=Roughness Coefficient for Running Full/(Velocity Ratio/((Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(2/3)*sqrt(Bed Slope Ratio)))
Roughness Coefficient Partially Full=Roughness Coefficient for Running Full/((Velocity in a Partially Running Sewer/Velocity While Running Full)/(Hydraulic Mean Depth Ratio)^(1/6))
Roughness Coefficient Partially Full=Roughness Coefficient for Running Full/((Velocity Ratio)/(Hydraulic Mean Depth Ratio)^(1/6))

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Roughness Coefficient for Partial Flow given Self Cleansing Velocity Formula

​GoRoughness Coefficient for Partial Flow given Velocity Ratio Formula

​GoRoughness Coefficient for Partial Flow given Hydraulic Mean Depth Ratio Formula

Roughness Coefficient for Partial Flow given Self Cleansing Velocity Example

Roughness Coefficient for Partial Flow given Self Cleansing Velocity Solution

Roughness Coefficient for Partial Flow given Self Cleansing Velocity Formula Elements

Other Formulas to find Roughness Coefficient Partially Full

How to Evaluate Roughness Coefficient for Partial Flow given Self Cleansing Velocity?

FAQs on Roughness Coefficient for Partial Flow given Self Cleansing Velocity

Variable Name

GoRoughness Coefficient for Partial Flow given Velocity Ratio Formula

GoRoughness Coefficient for Partial Flow given Hydraulic Mean Depth Ratio Formula