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Velocity using Water Flow Equation Formula

GoFlow Velocity using Manning's formula Formula

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The Flow Velocity refers to the speed at which a fluid (such as water) moves through a specific cross-section. Check FAQs

V f = \frac{Q w}{A cs}

V_f - Flow Velocity?Q_w - Water Flow?A_cs - Cross-Sectional Area?

Velocity using Water Flow Equation Example

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Here is how the Velocity using Water Flow Equation equation looks like with Values.

Here is how the Velocity using Water Flow Equation equation looks like with Units.

Here is how the Velocity using Water Flow Equation equation looks like.

1.1238 = \frac{14.61}{13}

1.1238m/s = \frac{14.61m³/s}{13m²}

1.1238 = \frac{14.61}{13}

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Velocity using Water Flow Equation Solution

Follow our step by step solution on how to calculate Velocity using Water Flow Equation?

FIRST Step Consider the formula

V f = \frac{Q w}{A cs}

Next Step Substitute values of Variables

∴

V f = \frac{14.61m³/s}{13m²}

Next Step Prepare to Evaluate

∴

V f = \frac{14.61}{13}

Next Step Evaluate

∴

V f = 1.12384615384615m/s

LAST Step Rounding Answer

∴

V f = 1.1238m/s

Velocity using Water Flow Equation Formula Elements

Variables

Flow Velocity

The Flow Velocity refers to the speed at which a fluid (such as water) moves through a specific cross-section.

Symbol: V_f

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Flow Velocity

Water Flow

The Water Flow refers to the movement of water through various natural or engineered systems.

Symbol: Q_w

Measurement: Volumetric Flow RateUnit: m³/s

Note: Value can be positive or negative.

Formulas to find Water Flow

Cross-Sectional Area

The Cross-Sectional Area refers to 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

Other Formulas to find Flow Velocity

Go Flow Velocity using Manning's formula

V f = \frac{C \cdot {r H}^{\frac{2}{3}} \cdot S^{\frac{1}{2}}}{n c}

Other formulas in Flow Velocity in Straight Sewers category

Go Roughness Coefficient using Flow Velocity

n c = \frac{C \cdot {r H}^{\frac{2}{3}} \cdot S^{\frac{1}{2}}}{V f}

Go Hydraulic Radius given Flow Velocity

r H = {(\frac{V f \cdot n c}{C \cdot S^{\frac{1}{2}}})}^{\frac{3}{2}}

Go Energy Loss given Flow Velocity

S = {(\frac{V f \cdot n c}{C \cdot {r H}^{\frac{2}{3}}})}^{2}

Go Conversion Factor given Flow Velocity

C = (\frac{V f \cdot n c}{(S^{\frac{1}{2}}) \cdot {r H}^{\frac{2}{3}}})

How to Evaluate Velocity using Water Flow Equation?

Velocity using Water Flow Equation evaluator uses Flow Velocity = Water Flow/Cross-Sectional Area to evaluate the Flow Velocity, The Velocity using Water Flow Equation is defined as the flow velocity when area of cross section of the pipe and water flow are given. Flow Velocity is denoted by V_f symbol.

How to evaluate Velocity using Water Flow Equation using this online evaluator? To use this online evaluator for Velocity using Water Flow Equation, enter Water Flow (Q_w) & Cross-Sectional Area (A_cs) and hit the calculate button.

FAQs on Velocity using Water Flow Equation

What is the formula to find Velocity using Water Flow Equation?

The formula of Velocity using Water Flow Equation is expressed as Flow Velocity = Water Flow/Cross-Sectional Area. Here is an example- 0.138462 = 14.61/13.

How to calculate Velocity using Water Flow Equation?

With Water Flow (Q_w) & Cross-Sectional Area (A_cs) we can find Velocity using Water Flow Equation using the formula - Flow Velocity = Water Flow/Cross-Sectional Area.

What are the other ways to Calculate Flow Velocity?

Here are the different ways to Calculate Flow Velocity-

Flow Velocity=(Conversion Factor*Hydraulic Radius^(2/3)*Energy Loss^(1/2))/Roughness Coefficient of Conduit Surface

Can the Velocity using Water Flow Equation be negative?

Yes, the Velocity using Water Flow Equation, measured in Speed can be negative.

Which unit is used to measure Velocity using Water Flow Equation?

Velocity using Water Flow Equation is usually measured using the Meter per Second[m/s] for Speed. Meter per Minute[m/s], Meter per Hour[m/s], Kilometer per Hour[m/s] are the few other units in which Velocity using Water Flow Equation can be measured.

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