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Proportionate Velocity given Roughness Coefficient Formula

GoProportionate Velocity given Central Angle Formula

GoProportionate Velocity when Roughness Coefficient does not Vary with Depth Formula

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Proportionate Velocity is ratio of velocity when water is partially full to velocity when water is totally full. Check FAQs

P v = (\frac{N}{n p}) \cdot {(\frac{r pf}{r pf})}^{\frac{2}{3}}

P_v - Proportionate Velocity?N - Roughness Coefficient for Running Full?n_p - Roughness Coefficient Partially Full?r_pf - Hydraulic Mean Depth for Partially Full?

Proportionate Velocity given Roughness Coefficient Example

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Here is how the Proportionate Velocity given Roughness Coefficient equation looks like with Values.

Here is how the Proportionate Velocity given Roughness Coefficient equation looks like with Units.

Here is how the Proportionate Velocity given Roughness Coefficient equation looks like.

0.8222 = (\frac{0.74}{0.9}) \cdot {(\frac{3.2}{3.2})}^{\frac{2}{3}}

0.8222 = (\frac{0.74}{0.9}) \cdot {(\frac{3.2m}{3.2m})}^{\frac{2}{3}}

0.8222 = (\frac{0.74}{0.9}) \cdot {(\frac{3.2}{3.2})}^{\frac{2}{3}}

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Proportionate Velocity given Roughness Coefficient Solution

Follow our step by step solution on how to calculate Proportionate Velocity given Roughness Coefficient?

FIRST Step Consider the formula

P v = (\frac{N}{n p}) \cdot {(\frac{r pf}{r pf})}^{\frac{2}{3}}

Next Step Substitute values of Variables

∴

P v = (\frac{0.74}{0.9}) \cdot {(\frac{3.2m}{3.2m})}^{\frac{2}{3}}

Next Step Prepare to Evaluate

∴

P v = (\frac{0.74}{0.9}) \cdot {(\frac{3.2}{3.2})}^{\frac{2}{3}}

Next Step Evaluate

∴

P v = 0.822222222222222

LAST Step Rounding Answer

∴

P v = 0.8222

Proportionate Velocity given Roughness Coefficient Formula Elements

Variables

Proportionate Velocity

Proportionate Velocity is ratio of velocity when water is partially full to velocity when water is totally full.

Symbol: P_v

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Proportionate Velocity

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

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

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

Other Formulas to find Proportionate Velocity

Go Proportionate Velocity given Central Angle

P v = {(1 - \frac{(360 \cdot \frac{π}{180}) \cdot \sin (∠ central)}{2 \cdot π \cdot ∠ central})}^{\frac{2}{3}}

Go Proportionate Velocity when Roughness Coefficient does not Vary with Depth

P v = {(\frac{r pf}{R rf})}^{\frac{2}{3}}

Go Proportionate Velocity given Velocity while Running Partially Full

P v = \frac{V s}{V}

Other formulas in Proportionate Velocity category

Go Velocity while Running Full given Proportionate Velocity

V = \frac{V s}{P v}

Go Roughness Coefficient while Running Full given Proportionate Velocity

N = \frac{P v \cdot n p}{{(\frac{r pf}{R rf})}^{\frac{2}{3}}}

Go Hydraulic Mean Depth while Running Full given Proportionate Velocity

R rf = {(\frac{{(r pf)}^{\frac{2}{3}}}{P v})}^{\frac{3}{2}}

How to Evaluate Proportionate Velocity given Roughness Coefficient?

Proportionate Velocity given Roughness Coefficient evaluator uses Proportionate Velocity = (Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth for Partially Full)^(2/3) to evaluate the Proportionate Velocity, The Proportionate Velocity given Roughness Coefficient calculates the proportionate velocity when we have prior information of other parameters used. Proportionate Velocity is denoted by P_v symbol.

How to evaluate Proportionate Velocity given Roughness Coefficient using this online evaluator? To use this online evaluator for Proportionate Velocity given Roughness Coefficient, enter Roughness Coefficient for Running Full (N), Roughness Coefficient Partially Full (n_p) & Hydraulic Mean Depth for Partially Full (r_pf) and hit the calculate button.

FAQs on Proportionate Velocity given Roughness Coefficient

What is the formula to find Proportionate Velocity given Roughness Coefficient?

The formula of Proportionate Velocity given Roughness Coefficient is expressed as Proportionate Velocity = (Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth for Partially Full)^(2/3). Here is an example- 0.822222 = (0.74/0.9)*(3.2/3.2)^(2/3).

How to calculate Proportionate Velocity given Roughness Coefficient?

With Roughness Coefficient for Running Full (N), Roughness Coefficient Partially Full (n_p) & Hydraulic Mean Depth for Partially Full (r_pf) we can find Proportionate Velocity given Roughness Coefficient using the formula - Proportionate Velocity = (Roughness Coefficient for Running Full/Roughness Coefficient Partially Full)*(Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth for Partially Full)^(2/3).

What are the other ways to Calculate Proportionate Velocity?

Here are the different ways to Calculate Proportionate Velocity-

Proportionate Velocity=(1-((360*pi/180)*sin(Central Angle))/(2*pi*Central Angle))^(2/3)
Proportionate Velocity=(Hydraulic Mean Depth for Partially Full/Hydraulic Mean Depth while Running Full)^(2/3)
Proportionate Velocity=Velocity in a Partially Running Sewer/Velocity While Running Full

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: Unit

Proportionate Velocity given Roughness Coefficient Formula

​GoProportionate Velocity given Central Angle Formula

​GoProportionate Velocity when Roughness Coefficient does not Vary with Depth Formula

Proportionate Velocity given Roughness Coefficient Example

Proportionate Velocity given Roughness Coefficient Solution

Proportionate Velocity given Roughness Coefficient Formula Elements

Other Formulas to find Proportionate Velocity

Other formulas in Proportionate Velocity category

How to Evaluate Proportionate Velocity given Roughness Coefficient?

FAQs on Proportionate Velocity given Roughness Coefficient

Variable Name

GoProportionate Velocity given Central Angle Formula

GoProportionate Velocity when Roughness Coefficient does not Vary with Depth Formula