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The Mean Velocity refers to the average speed at which fluid flows through a given cross-sectional area of a pipe or channel. Check FAQs
Vmean=8𝜏ρFluidf
Vmean - Mean Velocity?𝜏 - Shear Stress?ρFluid - Density of Fluid?f - Darcy Friction Factor?

Mean Velocity of Flow given Shear Stress and Density Example

With values
With units
Only example

Here is how the Mean Velocity of Flow given Shear Stress and Density equation looks like with Values.

Here is how the Mean Velocity of Flow given Shear Stress and Density equation looks like with Units.

Here is how the Mean Velocity of Flow given Shear Stress and Density equation looks like.

11.0272Edit=893.1Edit1.225Edit5Edit
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Mean Velocity of Flow given Shear Stress and Density Solution

Follow our step by step solution on how to calculate Mean Velocity of Flow given Shear Stress and Density?

FIRST Step Consider the formula
Vmean=8𝜏ρFluidf
Next Step Substitute values of Variables
Vmean=893.1Pa1.225kg/m³5
Next Step Prepare to Evaluate
Vmean=893.11.2255
Next Step Evaluate
Vmean=11.0272390016722m/s
LAST Step Rounding Answer
Vmean=11.0272m/s

Mean Velocity of Flow given Shear Stress and Density Formula Elements

Variables
Functions
Mean Velocity
The Mean Velocity refers to the average speed at which fluid flows through a given cross-sectional area of a pipe or channel.
Symbol: Vmean
Measurement: SpeedUnit: m/s
Note: Value can be positive or negative.
Shear Stress
The Shear Stress refers to the force tending to cause deformation of a material by slippage along a plane or planes parallel to the imposed stress.
Symbol: 𝜏
Measurement: StressUnit: Pa
Note: Value should be greater than 0.
Density of Fluid
The Density of Fluid refers to the mass per unit volume of the fluid, a fundamental property that indicates how much mass is contained in a given volume.
Symbol: ρFluid
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Darcy Friction Factor
The Darcy Friction Factor refers to the dimensionless quantity used in fluid mechanics to describe the frictional losses in pipe flow and open-channel flow.
Symbol: f
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
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 Mean Velocity

​Go Mean Velocity of Fluid Flow
Vmean=(18μ)dp|drR2
​Go Mean Velocity of Flow given Maximum Velocity at Axis of Cylindrical Element
Vmean=0.5Vmax
​Go Mean Velocity of Flow given Head Loss due to Frictional Resistance
Vmean=h2[g]DpipefLp
​Go Mean Velocity of Flow given Friction Factor
Vmean=64μfρFluidDpipe

How to Evaluate Mean Velocity of Flow given Shear Stress and Density?

Mean Velocity of Flow given Shear Stress and Density evaluator uses Mean Velocity = sqrt((8*Shear Stress)/(Density of Fluid*Darcy Friction Factor)) to evaluate the Mean Velocity, The Mean Velocity of Flow given Shear Stress and Density is defined as the average velocity of a fluid on the pipe. Mean Velocity is denoted by Vmean symbol.

How to evaluate Mean Velocity of Flow given Shear Stress and Density using this online evaluator? To use this online evaluator for Mean Velocity of Flow given Shear Stress and Density, enter Shear Stress (𝜏), Density of Fluid Fluid) & Darcy Friction Factor (f) and hit the calculate button.

FAQs on Mean Velocity of Flow given Shear Stress and Density

What is the formula to find Mean Velocity of Flow given Shear Stress and Density?
The formula of Mean Velocity of Flow given Shear Stress and Density is expressed as Mean Velocity = sqrt((8*Shear Stress)/(Density of Fluid*Darcy Friction Factor)). Here is an example- 11.02724 = sqrt((8*93.1)/(1.225*5)).
How to calculate Mean Velocity of Flow given Shear Stress and Density?
With Shear Stress (𝜏), Density of Fluid Fluid) & Darcy Friction Factor (f) we can find Mean Velocity of Flow given Shear Stress and Density using the formula - Mean Velocity = sqrt((8*Shear Stress)/(Density of Fluid*Darcy Friction Factor)). This formula also uses Square Root (sqrt) function(s).
What are the other ways to Calculate Mean Velocity?
Here are the different ways to Calculate Mean Velocity-
  • Mean Velocity=(1/(8*Dynamic Viscosity))*Pressure Gradient*Radius of pipe^2OpenImg
  • Mean Velocity=0.5*Maximum VelocityOpenImg
  • Mean Velocity=sqrt((Head Loss due to Friction*2*[g]*Diameter of Pipe)/(Darcy Friction Factor*Length of Pipe))OpenImg
Can the Mean Velocity of Flow given Shear Stress and Density be negative?
Yes, the Mean Velocity of Flow given Shear Stress and Density, measured in Speed can be negative.
Which unit is used to measure Mean Velocity of Flow given Shear Stress and Density?
Mean Velocity of Flow given Shear Stress and Density 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 Shear Stress and Density can be measured.
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