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Prandtl number given Graetz numbber Formula

GoPrandtl number in convection Formula

GoPrandtl number given Stanton number and other dimensionless groups Formula

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Prandtl Number or Prandtl group is a dimensionless number, named after the German physicist Ludwig Prandtl, defined as the ratio of momentum diffusivity to thermal diffusivity. Check FAQs

Pr = Gr \cdot \frac{L}{Re \cdot D}

Pr - Prandtl Number?Gr - Graetz Number?L - Length?Re - Reynolds Number?D - Diameter?

Prandtl number given Graetz numbber Example

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Here is how the Prandtl number given Graetz numbber equation looks like with Values.

Here is how the Prandtl number given Graetz numbber equation looks like with Units.

Here is how the Prandtl number given Graetz numbber equation looks like.

0.7 = 800 \cdot \frac{3}{5000 \cdot 0.6857}

0.7 = 800 \cdot \frac{3m}{5000 \cdot 0.6857m}

0.7 = 800 \cdot \frac{3}{5000 \cdot 0.6857}

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Prandtl number given Graetz numbber Solution

Follow our step by step solution on how to calculate Prandtl number given Graetz numbber?

FIRST Step Consider the formula

Pr = Gr \cdot \frac{L}{Re \cdot D}

Next Step Substitute values of Variables

∴

Pr = 800 \cdot \frac{3m}{5000 \cdot 0.6857m}

Next Step Prepare to Evaluate

∴

Pr = 800 \cdot \frac{3}{5000 \cdot 0.6857}

Next Step Evaluate

∴

Pr = 0.700000291666788

LAST Step Rounding Answer

∴

Pr = 0.7

Prandtl number given Graetz numbber Formula Elements

Variables

Prandtl Number

Prandtl Number or Prandtl group is a dimensionless number, named after the German physicist Ludwig Prandtl, defined as the ratio of momentum diffusivity to thermal diffusivity.

Symbol: Pr

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Prandtl Number

Graetz Number

Graetz number is used in determining the thermally developing flow entrance length in ducts.

Symbol: Gr

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Graetz Number

Length

Length is the measurement or extent of something from end to end.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length

Reynolds Number

Reynolds Number is a dimensionless number used in fluid mechanics to indicate whether fluid flow past a body or in a duct is steady or turbulent.

Symbol: Re

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynolds Number

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 to find Prandtl Number

Go Prandtl number in convection

Pr = \frac{Dm}{M dh}

Go Prandtl number given Stanton number and other dimensionless groups

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

Go Prandtl number given Rayleigh number

Pr = \frac{Ra}{G}

Go Prandtl number given Peclet number

Pr = \frac{Pe}{Re}

Other formulas in Prandtl and Peclet Number category

Go Peclet number given Reynolds number

Pe = Re \cdot Pr

Go Turbulent Prandtl Number

Pr t = \frac{ε M}{ε H}

Go Modified Prandtl number given Bingham number

Pr' = Pr \cdot (1 + B n)

Go Peclet Number given Schmidt Number

Pe = (Re \cdot Sc)

How to Evaluate Prandtl number given Graetz numbber?

Prandtl number given Graetz numbber evaluator uses Prandtl Number = Graetz Number*Length/(Reynolds Number*Diameter) to evaluate the Prandtl Number, Prandtl number given Graetz numbber is a dimensionless number that characterizes the relative thickness of the velocity boundary layer to the thermal boundary layer in a fluid flow. It is a key parameter in fluid dynamics and heat transfer, particularly in the analysis of convective heat transfer processes. Prandtl Number is denoted by Pr symbol.

How to evaluate Prandtl number given Graetz numbber using this online evaluator? To use this online evaluator for Prandtl number given Graetz numbber, enter Graetz Number (Gr), Length (L), Reynolds Number (Re) & Diameter (D) and hit the calculate button.

FAQs on Prandtl number given Graetz numbber

What is the formula to find Prandtl number given Graetz numbber?

The formula of Prandtl number given Graetz numbber is expressed as Prandtl Number = Graetz Number*Length/(Reynolds Number*Diameter). Here is an example- 0.048 = 800*3/(5000*0.685714).

How to calculate Prandtl number given Graetz numbber?

With Graetz Number (Gr), Length (L), Reynolds Number (Re) & Diameter (D) we can find Prandtl number given Graetz numbber using the formula - Prandtl Number = Graetz Number*Length/(Reynolds Number*Diameter).

What are the other ways to Calculate Prandtl Number?

Here are the different ways to Calculate Prandtl Number-

Prandtl Number=Molecular Diffusivity of Momentum/Molecular Diffusivity of Heat
Prandtl Number=Nusselt Number/(Stanton Number*Reynolds Number)
Prandtl Number=Rayleigh Number/Grashof Number

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: Unit

Prandtl number given Graetz numbber Formula

​GoPrandtl number in convection Formula

​GoPrandtl number given Stanton number and other dimensionless groups Formula

Prandtl number given Graetz numbber Example

Prandtl number given Graetz numbber Solution

Prandtl number given Graetz numbber Formula Elements

Other Formulas to find Prandtl Number

Other formulas in Prandtl and Peclet Number category

How to Evaluate Prandtl number given Graetz numbber?

FAQs on Prandtl number given Graetz numbber

Variable Name

GoPrandtl number in convection Formula

GoPrandtl number given Stanton number and other dimensionless groups Formula