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Mean Velocity of Flow given Pressure Head Drop Formula

GoMean Velocity of Flow given Pressure Gradient Formula

GoMean Velocity of Flow given Maximum Velocity Formula

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Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T. Check FAQs

V mean = \frac{ΔP \cdot S \cdot ({D pipe}^{2})}{12 \cdot μ \cdot L p}

V_mean - Mean Velocity?ΔP - Pressure Difference?S - Specific Weight of Liquid in Piezometer?D_pipe - Diameter of Pipe?μ - Dynamic Viscosity?L_p - Length of Pipe?

Mean Velocity of Flow given Pressure Head Drop Example

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Here is how the Mean Velocity of Flow given Pressure Head Drop equation looks like with Values.

Here is how the Mean Velocity of Flow given Pressure Head Drop equation looks like with Units.

Here is how the Mean Velocity of Flow given Pressure Head Drop equation looks like.

8.3133 = \frac{13.3 \cdot 0.75 \cdot ({1.01}^{2})}{12 \cdot 10.2 \cdot 0.1}

8.3133m/s = \frac{13.3N/m² \cdot 0.75kN/m³ \cdot ({1.01m}^{2})}{12 \cdot 10.2P \cdot 0.1m}

8.3133 = \frac{13.3 \cdot 0.75 \cdot ({1.01}^{2})}{12 \cdot 10.2 \cdot 0.1}

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Mean Velocity of Flow given Pressure Head Drop Solution

Follow our step by step solution on how to calculate Mean Velocity of Flow given Pressure Head Drop?

FIRST Step Consider the formula

V mean = \frac{ΔP \cdot S \cdot ({D pipe}^{2})}{12 \cdot μ \cdot L p}

Next Step Substitute values of Variables

∴

V mean = \frac{13.3N/m² \cdot 0.75kN/m³ \cdot ({1.01m}^{2})}{12 \cdot 10.2P \cdot 0.1m}

Next Step Convert Units

∴

V mean = \frac{13.3Pa \cdot 0.75kN/m³ \cdot ({1.01m}^{2})}{12 \cdot 1.02Pa*s \cdot 0.1m}

Next Step Prepare to Evaluate

∴

V mean = \frac{13.3 \cdot 0.75 \cdot ({1.01}^{2})}{12 \cdot 1.02 \cdot 0.1}

Next Step Evaluate

∴

V mean = 8.31331495098039m/s

LAST Step Rounding Answer

∴

V mean = 8.3133m/s

Mean Velocity of Flow given Pressure Head Drop Formula Elements

Variables

Mean Velocity

Mean velocity is defined as the average velocity of a fluid at a point and over an arbitrary time T.

Symbol: V_mean

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Mean Velocity

Pressure Difference

Pressure Difference is the difference in pressure intensities at two different points in a liquid.

Symbol: ΔP

Measurement: PressureUnit: N/m²

Note: Value can be positive or negative.

Formulas to find Pressure Difference

Specific Weight of Liquid in Piezometer

Specific Weight of Liquid in Piezometer is the ratio of a body’s weight P to its volume V.

Symbol: S

Measurement: Specific WeightUnit: kN/m³

Note: Value should be greater than 0.

Formulas to find Specific Weight of Liquid in Piezometer

Diameter of Pipe

The Diameter of Pipe refers to the diameter of the pipe in which the liquid is flowing.

Symbol: D_pipe

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter of Pipe

Dynamic Viscosity

The Dynamic Viscosity refers to the internal resistance of a fluid to flow when a force is applied.

Symbol: μ

Measurement: Dynamic ViscosityUnit: P

Note: Value should be greater than 0.

Formulas to find Dynamic Viscosity

Length of Pipe

The Length of Pipe refers to total length from one end to another in which the liquid is flowing.

Symbol: L_p

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Length of Pipe

Other Formulas to find Mean Velocity

Go Mean Velocity of Flow given Pressure Gradient

V mean = (\frac{w^{2}}{12 \cdot μ}) \cdot dp|dr

Go Mean Velocity of Flow given Maximum Velocity

V mean = (\frac{2}{3}) \cdot V max

Go Mean Velocity of Flow given Pressure Difference

V mean = \frac{ΔP \cdot w}{12 \cdot μ \cdot L p}

How to Evaluate Mean Velocity of Flow given Pressure Head Drop?

Mean Velocity of Flow given Pressure Head Drop evaluator uses Mean Velocity = (Pressure Difference*Specific Weight of Liquid in Piezometer*(Diameter of Pipe^2))/(12*Dynamic Viscosity*Length of Pipe) to evaluate the Mean Velocity, The Mean Velocity of Flow given Pressure Head Drop is defined as the average velocity of stream through pipe in the flow. Mean Velocity is denoted by V_mean symbol.

How to evaluate Mean Velocity of Flow given Pressure Head Drop using this online evaluator? To use this online evaluator for Mean Velocity of Flow given Pressure Head Drop, enter Pressure Difference (ΔP), Specific Weight of Liquid in Piezometer (S), Diameter of Pipe (D_pipe), Dynamic Viscosity (μ) & Length of Pipe (L_p) and hit the calculate button.

FAQs on Mean Velocity of Flow given Pressure Head Drop

What is the formula to find Mean Velocity of Flow given Pressure Head Drop?

The formula of Mean Velocity of Flow given Pressure Head Drop is expressed as Mean Velocity = (Pressure Difference*Specific Weight of Liquid in Piezometer*(Diameter of Pipe^2))/(12*Dynamic Viscosity*Length of Pipe). Here is an example- 8.313315 = (13.3*750*(1.01^2))/(12*1.02*0.1).

How to calculate Mean Velocity of Flow given Pressure Head Drop?

With Pressure Difference (ΔP), Specific Weight of Liquid in Piezometer (S), Diameter of Pipe (D_pipe), Dynamic Viscosity (μ) & Length of Pipe (L_p) we can find Mean Velocity of Flow given Pressure Head Drop using the formula - Mean Velocity = (Pressure Difference*Specific Weight of Liquid in Piezometer*(Diameter of Pipe^2))/(12*Dynamic Viscosity*Length of Pipe).

What are the other ways to Calculate Mean Velocity?

Here are the different ways to Calculate Mean Velocity-

Mean Velocity=((Width^2)/(12*Dynamic Viscosity))*Pressure Gradient
Mean Velocity=(2/3)*Maximum Velocity
Mean Velocity=(Pressure Difference*Width)/(12*Dynamic Viscosity*Length of Pipe)

Can the Mean Velocity of Flow given Pressure Head Drop be negative?

Yes, the Mean Velocity of Flow given Pressure Head Drop, measured in Speed can be negative.

Which unit is used to measure Mean Velocity of Flow given Pressure Head Drop?

Mean Velocity of Flow given Pressure Head Drop 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 Mean Velocity of Flow given Pressure Head Drop can be measured.

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: Unit

Mean Velocity of Flow given Pressure Head Drop Formula

​GoMean Velocity of Flow given Pressure Gradient Formula

​GoMean Velocity of Flow given Maximum Velocity Formula

Mean Velocity of Flow given Pressure Head Drop Example

Mean Velocity of Flow given Pressure Head Drop Solution

Mean Velocity of Flow given Pressure Head Drop Formula Elements

Other Formulas to find Mean Velocity

How to Evaluate Mean Velocity of Flow given Pressure Head Drop?

FAQs on Mean Velocity of Flow given Pressure Head Drop

Variable Name

GoMean Velocity of Flow given Pressure Gradient Formula

GoMean Velocity of Flow given Maximum Velocity Formula