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Reynolds Number given Graetz Number Formula

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

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

Re_L - Reynolds Number Based on Length?Gr - Graetz Number?L - Length?Pr - Prandtl Number?D - Diameter?

Reynolds Number given Graetz Number Example

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Here is how the Reynolds Number given Graetz Number equation looks like with Values.

Here is how the Reynolds Number given Graetz Number equation looks like with Units.

Here is how the Reynolds Number given Graetz Number equation looks like.

879.1209 = 800 \cdot \frac{3}{0.7 \cdot 3.9}

879.1209 = 800 \cdot \frac{3m}{0.7 \cdot 3.9m}

879.1209 = 800 \cdot \frac{3}{0.7 \cdot 3.9}

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Reynolds Number given Graetz Number Solution

Follow our step by step solution on how to calculate Reynolds Number given Graetz Number?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

Re L = 800 \cdot \frac{3m}{0.7 \cdot 3.9m}

Next Step Prepare to Evaluate

∴

Re L = 800 \cdot \frac{3}{0.7 \cdot 3.9}

Next Step Evaluate

∴

Re L = 879.120879120879

LAST Step Rounding Answer

∴

Re L = 879.1209

Reynolds Number given Graetz Number Formula Elements

Variables

Reynolds Number Based on Length

Reynolds Number Based on Length 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_L

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Reynolds Number Based on Length

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

Prandtl Number

Prandtl Number (Pr) 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

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 Rayleigh and Reynolds Number category

Go Rayleigh number based on turbulence for annular space between concentric cylinders

Ra c = (\frac{({(\ln (\frac{d o}{d i}))}^{4}) \cdot (Ra l)}{(L^{3}) \cdot {(({d i}^{- 0.6}) + ({d o}^{- 0.6}))}^{5}})

Go Rayleigh number based on length for annular space between concentric cylinders

Ra l = \frac{Ra c}{\frac{({(\ln (\frac{d o}{d i}))}^{4})}{(L^{3}) \cdot {(({d i}^{- 0.6}) + ({d o}^{- 0.6}))}^{5}}}

Go Rayleigh number based on turbulence for concentric spheres

Ra c = {(\frac{L \cdot Ra l}{({(D i \cdot D o)}^{4}) \cdot ({(({D i}^{- 1.4}) + ({D o}^{- 1.4}))}^{5})})}^{0.25}

Go Reynolds Number given Rotational Speed

Rew = w \cdot π \cdot \frac{D^{2}}{v k}

How to Evaluate Reynolds Number given Graetz Number?

Reynolds Number given Graetz Number evaluator uses Reynolds Number Based on Length = Graetz Number*Length/(Prandtl Number*Diameter) to evaluate the Reynolds Number Based on Length, The Reynolds Number given Graetz Number formula is defined as a dimensionless number used in fluid mechanics to indicate whether fluid flow past a body or in a duct is steady or turbulent. Reynolds Number Based on Length is denoted by Re_L symbol.

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

FAQs on Reynolds Number given Graetz Number

What is the formula to find Reynolds Number given Graetz Number?

The formula of Reynolds Number given Graetz Number is expressed as Reynolds Number Based on Length = Graetz Number*Length/(Prandtl Number*Diameter). Here is an example- 879.1209 = 800*3/(0.7*3.9).

How to calculate Reynolds Number given Graetz Number?

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

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Reynolds Number given Graetz Number Formula

Reynolds Number given Graetz Number Example

Reynolds Number given Graetz Number Solution

Reynolds Number given Graetz Number Formula Elements

Other formulas in Rayleigh and Reynolds Number category

How to Evaluate Reynolds Number given Graetz Number?

FAQs on Reynolds Number given Graetz Number

Variable Name