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Kinematic viscosity of fluid Formula

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The kinematic Viscosity is an atmospheric variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid. Check FAQs

u = \frac{w \cdot D^{2}}{5 \cdot 10^{5}}

u - Kinematic Viscosity?w - Rotational Speed?D - Diameter?

Kinematic viscosity of fluid Example

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Here is how the Kinematic viscosity of fluid equation looks like with Values.

Here is how the Kinematic viscosity of fluid equation looks like with Units.

Here is how the Kinematic viscosity of fluid equation looks like.

100 = \frac{5 \cdot {31.6228}^{2}}{5 \cdot 10^{5}}

100St = \frac{5rad/s \cdot {31.6228m}^{2}}{5 \cdot 10^{5}}

100 = \frac{5 \cdot {31.6228}^{2}}{5 \cdot 10^{5}}

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Kinematic viscosity of fluid Solution

Follow our step by step solution on how to calculate Kinematic viscosity of fluid?

FIRST Step Consider the formula

u = \frac{w \cdot D^{2}}{5 \cdot 10^{5}}

Next Step Substitute values of Variables

∴

u = \frac{5rad/s \cdot {31.6228m}^{2}}{5 \cdot 10^{5}}

Next Step Prepare to Evaluate

∴

u = \frac{5 \cdot {31.6228}^{2}}{5 \cdot 10^{5}}

Next Step Evaluate

∴

u = 0.010000002149284m²/s

Next Step Convert to Output's Unit

∴

u = 100.00002149284St

LAST Step Rounding Answer

∴

u = 100St

Kinematic viscosity of fluid Formula Elements

Variables

Kinematic Viscosity

The kinematic Viscosity is an atmospheric variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid.

Symbol: u

Measurement: Kinematic ViscosityUnit: St

Note: Value can be positive or negative.

Formulas to find Kinematic Viscosity

Rotational Speed

Rotational Speed the number of turns of the object divided by time, specified as revolutions per minute.

Symbol: w

Measurement: Angular VelocityUnit: rad/s

Note: Value can be positive or negative.

Formulas to find Rotational Speed

Diameter

Diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.

Symbol: D

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter

Other formulas in Convective Flow Over Cylinder and Sphere category

Go Boundary layer thickness on vertical surfaces

d x = 3.93 \cdot x \cdot {Pr}^{- 0.5} \cdot {(0.952 + Pr)}^{0.25} \cdot {Gr x}^{- 0.25}

Go Convective mass transfer coefficient at distance X from leading edge

k L = \frac{2 \cdot k e}{d x}

Go Inside surface temperature for annular space between concentric cylinders

t i = (e' \cdot \frac{\ln (\frac{D o}{D i})}{2 \cdot π \cdot k e}) + t o

Go Outside surface temperature for annular space between concentric cylinders

t o = t i - (e' \cdot \frac{\ln (\frac{D o}{D i})}{2 \cdot π \cdot k e})

How to Evaluate Kinematic viscosity of fluid?

Kinematic viscosity of fluid evaluator uses Kinematic Viscosity = (Rotational Speed*Diameter^2)/(5*10^5) to evaluate the Kinematic Viscosity, Kinematic viscosity of fluid is a measure of a fluid's internal resistance to flow under the influence of gravity. It represents how easily a fluid can move and spread out over a surface. The kinematic viscosity is defined as the ratio of the fluid's dynamic viscosity to its density. Kinematic Viscosity is denoted by u symbol.

How to evaluate Kinematic viscosity of fluid using this online evaluator? To use this online evaluator for Kinematic viscosity of fluid, enter Rotational Speed (w) & Diameter (D) and hit the calculate button.

FAQs on Kinematic viscosity of fluid

What is the formula to find Kinematic viscosity of fluid?

The formula of Kinematic viscosity of fluid is expressed as Kinematic Viscosity = (Rotational Speed*Diameter^2)/(5*10^5). Here is an example- 100000 = (5*31.62278^2)/(5*10^5).

How to calculate Kinematic viscosity of fluid?

With Rotational Speed (w) & Diameter (D) we can find Kinematic viscosity of fluid using the formula - Kinematic Viscosity = (Rotational Speed*Diameter^2)/(5*10^5).

Can the Kinematic viscosity of fluid be negative?

Yes, the Kinematic viscosity of fluid, measured in Kinematic Viscosity can be negative.

Which unit is used to measure Kinematic viscosity of fluid?

Kinematic viscosity of fluid is usually measured using the Stokes[St] for Kinematic Viscosity. Square Meter per Second[St], Square Meter per Hour[St], Square Centimeter per Second[St] are the few other units in which Kinematic viscosity of fluid can be measured.

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