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Nusselt number for short pipes Formula

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The Nusselt Number for Short Pipes is a dimensionless quantity that indicates the efficiency of heat transfer in turbulent flow within short pipes. Check FAQs

Nu Avg = Nu \cdot (1 + (\frac{a}{\frac{L}{D}}))

Nu_Avg - Nusselt Number for Short Pipes?Nu - Nusselt Number?a - Constant a?L - Length?D - Diameter?

Nusselt number for short pipes Example

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Here is how the Nusselt number for short pipes equation looks like with Values.

Here is how the Nusselt number for short pipes equation looks like with Units.

Here is how the Nusselt number for short pipes equation looks like.

18.9482 = 10.97 \cdot (1 + (\frac{2.4}{\frac{33}{10}}))

18.9482 = 10.97 \cdot (1 + (\frac{2.4}{\frac{33m}{10m}}))

18.9482 = 10.97 \cdot (1 + (\frac{2.4}{\frac{33}{10}}))

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Nusselt number for short pipes Solution

Follow our step by step solution on how to calculate Nusselt number for short pipes?

FIRST Step Consider the formula

Nu Avg = Nu \cdot (1 + (\frac{a}{\frac{L}{D}}))

Next Step Substitute values of Variables

∴

Nu Avg = 10.97 \cdot (1 + (\frac{2.4}{\frac{33m}{10m}}))

Next Step Prepare to Evaluate

∴

Nu Avg = 10.97 \cdot (1 + (\frac{2.4}{\frac{33}{10}}))

Next Step Evaluate

∴

Nu Avg = 18.9481818181818

LAST Step Rounding Answer

∴

Nu Avg = 18.9482

Nusselt number for short pipes Formula Elements

Variables

Nusselt Number for Short Pipes

The Nusselt Number for Short Pipes is a dimensionless quantity that indicates the efficiency of heat transfer in turbulent flow within short pipes.

Symbol: Nu_Avg

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Nusselt Number for Short Pipes

Nusselt Number

The Nusselt Number is a dimensionless quantity that represents the ratio of convective to conductive heat transfer in fluid flow, indicating the efficiency of heat transfer.

Symbol: Nu

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Nusselt Number

Constant a

The Constant a is a coefficient used in turbulent flow calculations to characterize the behavior of fluid motion within tubes and enhance heat and mass transfer analysis.

Symbol: a

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Constant a

Length

The Length is the measurement of the distance along a flow path in turbulent flow conditions within tubes, influencing the flow characteristics and heat transfer efficiency.

Symbol: L

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length

Diameter

The Diameter is the straight line passing through the center of a circle or tube, connecting two points on its boundary, crucial for understanding flow characteristics in turbulent systems.

Symbol: D

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Diameter

Other formulas in Turbulent Flow category

Go Friction factor for Re greater than 2300

f = 0.25 \cdot {(1.82 \cdot \log 10 (Re D) - 1.64)}^{- 2}

Go Friction factor for Re greater than 10000

f = 0.184 \cdot {Re D}^{- 0.2}

Go Friction factor for rough tubes

f = \frac{1.325}{{(\ln ((\frac{e}{3.7} \cdot D) + (\frac{5.74}{{Re}^{0.9}})))}^{2}}

Go Friction factor for transitional turbulent flow

f = 0.316 \cdot {Re D}^{- 0.25}

How to Evaluate Nusselt number for short pipes?

Nusselt number for short pipes evaluator uses Nusselt Number for Short Pipes = Nusselt Number*(1+(Constant a/(Length/Diameter))) to evaluate the Nusselt Number for Short Pipes, The Nusselt number for short pipes formula is defined as the ratio between heat transfer by convection (α) and heat transfer by conduction alone. Nusselt Number for Short Pipes is denoted by Nu_Avg symbol.

How to evaluate Nusselt number for short pipes using this online evaluator? To use this online evaluator for Nusselt number for short pipes, enter Nusselt Number (Nu), Constant a (a), Length (L) & Diameter (D) and hit the calculate button.

FAQs on Nusselt number for short pipes

What is the formula to find Nusselt number for short pipes?

The formula of Nusselt number for short pipes is expressed as Nusselt Number for Short Pipes = Nusselt Number*(1+(Constant a/(Length/Diameter))). Here is an example- 18.94818 = 10.97*(1+(2.4/(33/10))).

How to calculate Nusselt number for short pipes?

With Nusselt Number (Nu), Constant a (a), Length (L) & Diameter (D) we can find Nusselt number for short pipes using the formula - Nusselt Number for Short Pipes = Nusselt Number*(1+(Constant a/(Length/Diameter))).

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Nusselt number for short pipes Formula

Nusselt number for short pipes Example

Nusselt number for short pipes Solution

Nusselt number for short pipes Formula Elements

Other formulas in Turbulent Flow category

How to Evaluate Nusselt number for short pipes?

FAQs on Nusselt number for short pipes

Variable Name