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Reynolds Number for Circular Tubes Formula

GoReynolds Number for Non-Circular Tubes Formula

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Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities. Check FAQs

Re = ρ \cdot u Fluid \cdot \frac{D Tube}{μ viscosity}

Re - Reynolds Number?ρ - Density?u_Fluid - Fluid Velocity?D_Tube - Diameter of Tube?μ_viscosity - Dynamic Viscosity?

Reynolds Number for Circular Tubes Example

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Here is how the Reynolds Number for Circular Tubes equation looks like with Values.

Here is how the Reynolds Number for Circular Tubes equation looks like with Units.

Here is how the Reynolds Number for Circular Tubes equation looks like.

5176.4706 = 400 \cdot 12 \cdot \frac{1.1}{1.02}

5176.4706 = 400kg/m³ \cdot 12m/s \cdot \frac{1.1m}{1.02Pa*s}

5176.4706 = 400 \cdot 12 \cdot \frac{1.1}{1.02}

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Reynolds Number for Circular Tubes Solution

Follow our step by step solution on how to calculate Reynolds Number for Circular Tubes?

FIRST Step Consider the formula

Re = ρ \cdot u Fluid \cdot \frac{D Tube}{μ viscosity}

Next Step Substitute values of Variables

∴

Re = 400kg/m³ \cdot 12m/s \cdot \frac{1.1m}{1.02Pa*s}

Next Step Prepare to Evaluate

∴

Re = 400 \cdot 12 \cdot \frac{1.1}{1.02}

Next Step Evaluate

∴

Re = 5176.47058823529

LAST Step Rounding Answer

∴

Re = 5176.4706

Reynolds Number for Circular Tubes Formula Elements

Variables

Reynolds Number

Reynolds number is the ratio of inertial forces to viscous forces within a fluid which is subjected to relative internal movement due to different fluid velocities.

Symbol: Re

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynolds Number

Density

Density of a material shows the denseness of that material in a specific given area. This is taken as mass per unit volume of a given object.

Symbol: ρ

Measurement: DensityUnit: kg/m³

Note: Value should be greater than 0.

Formulas to find Density

Fluid Velocity

Fluid velocity is the volume of fluid flowing in the given vessel per unit cross sectional area.

Symbol: u_Fluid

Measurement: SpeedUnit: m/s

Note: Value can be positive or negative.

Formulas to find Fluid Velocity

Diameter of Tube

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

Symbol: D_Tube

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter of Tube

Dynamic Viscosity

Dynamic Viscosity of a fluid is the measure of its resistance to flow when an external force is applied.

Symbol: μ_viscosity

Measurement: Dynamic ViscosityUnit: Pa*s

Note: Value should be greater than 0.

Formulas to find Dynamic Viscosity

Other Formulas to find Reynolds Number

Go Reynolds Number for Non-Circular Tubes

Re = ρ \cdot u Fluid \cdot \frac{L c}{μ viscosity}

Other formulas in Co Relation of Dimensionless Numbers category

Go Nusselt Number for Transitional and Rough Flow in Circular Tube

Nu = (\frac{f Darcy}{8}) \cdot (Re - 1000) \cdot \frac{Pr}{1 + 12.7 \cdot ({(\frac{f Darcy}{8})}^{0.5}) \cdot ({(Pr)}^{\frac{2}{3}} - 1)}

Go Prandtl Number

Pr = c \cdot \frac{μ viscosity}{k}

Go Stanton Number using Dimensionless Numbers

St = \frac{Nu}{Re \cdot Pr}

Go Stanton Number using Basic Fluid Properties

St = \frac{h outside}{c \cdot u Fluid \cdot ρ}

How to Evaluate Reynolds Number for Circular Tubes?

Reynolds Number for Circular Tubes evaluator uses Reynolds Number = Density*Fluid Velocity*Diameter of Tube/Dynamic Viscosity to evaluate the Reynolds Number, Reynolds Number for Circular Tubes computes the Reynolds no. for fluid flow in circular tubes. It is a measure of how laminar or how turbulent the flow is. Reynolds Number is denoted by Re symbol.

How to evaluate Reynolds Number for Circular Tubes using this online evaluator? To use this online evaluator for Reynolds Number for Circular Tubes, enter Density (ρ), Fluid Velocity (u_Fluid), Diameter of Tube (D_Tube) & Dynamic Viscosity (μ_viscosity) and hit the calculate button.

FAQs on Reynolds Number for Circular Tubes

What is the formula to find Reynolds Number for Circular Tubes?

The formula of Reynolds Number for Circular Tubes is expressed as Reynolds Number = Density*Fluid Velocity*Diameter of Tube/Dynamic Viscosity. Here is an example- 8047.059 = 400*12*1.1/1.02.

How to calculate Reynolds Number for Circular Tubes?

With Density (ρ), Fluid Velocity (u_Fluid), Diameter of Tube (D_Tube) & Dynamic Viscosity (μ_viscosity) we can find Reynolds Number for Circular Tubes using the formula - Reynolds Number = Density*Fluid Velocity*Diameter of Tube/Dynamic Viscosity.

What are the other ways to Calculate Reynolds Number?

Here are the different ways to Calculate Reynolds Number-

Reynolds Number=Density*Fluid Velocity*Characteristic Length/Dynamic Viscosity

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Reynolds Number for Circular Tubes Formula

​GoReynolds Number for Non-Circular Tubes Formula

Reynolds Number for Circular Tubes Example

Reynolds Number for Circular Tubes Solution

Reynolds Number for Circular Tubes Formula Elements

Other Formulas to find Reynolds Number

Other formulas in Co Relation of Dimensionless Numbers category

How to Evaluate Reynolds Number for Circular Tubes?

FAQs on Reynolds Number for Circular Tubes

Variable Name

GoReynolds Number for Non-Circular Tubes Formula