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Average Nusselt number upto L Formula

GoAverage Nusselt number for constant wall temperature Formula

GoAverage Nusselt number upto length L for constant heat flux Formula

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Average Nusselt number is the ratio between heat transfer by convection (α) and heat transfer by conduction alone. Check FAQs

Nu avgl = (\frac{5}{4}) \cdot Nu L

Nu_avgl - Average Nusselt Number?Nu_L - Nusselt Number(L)?

Average Nusselt number upto L Example

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Here is how the Average Nusselt number upto L equation looks like with Values.

Here is how the Average Nusselt number upto L equation looks like with Units.

Here is how the Average Nusselt number upto L equation looks like.

0.3125 = (\frac{5}{4}) \cdot 0.25

0.3125 = (\frac{5}{4}) \cdot 0.25

0.3125 = (\frac{5}{4}) \cdot 0.25

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Average Nusselt number upto L Solution

Follow our step by step solution on how to calculate Average Nusselt number upto L?

FIRST Step Consider the formula

Nu avgl = (\frac{5}{4}) \cdot Nu L

Next Step Substitute values of Variables

∴

Nu avgl = (\frac{5}{4}) \cdot 0.25

Next Step Prepare to Evaluate

∴

Nu avgl = (\frac{5}{4}) \cdot 0.25

LAST Step Evaluate

∴

Nu avgl = 0.3125

Average Nusselt number upto L Formula Elements

Variables

Average Nusselt Number

Average Nusselt number is the ratio between heat transfer by convection (α) and heat transfer by conduction alone.

Symbol: Nu_avgl

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Average Nusselt Number

Nusselt Number(L)

Nusselt number(L) is the ratio of convective to conductive heat transfer across a boundary.

Symbol: Nu_L

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Nusselt Number(L)

Other Formulas to find Average Nusselt Number

Go Average Nusselt number for constant wall temperature

Nu avgl = 0.68 + (\frac{0.67 \cdot ({(G \cdot Pr)}^{0.25})}{{(1 + {(\frac{0.492}{Pr})}^{0.5625})}^{0.444}})

Go Average Nusselt number upto length L for constant heat flux

Nu avgl = (\frac{5}{4}) \cdot Nu d

Other formulas in Local and Average Nusselt Number category

Go Local Nusselt number

Nu x = 2 \cdot \frac{x}{dx}

Go Local Nusselt number for constant heat flux

Nu x = 0.508 \cdot ({Pr}^{0.5}) \cdot ({(0.952 + Pr)}^{- 0.25}) \cdot ({Gr x}^{0.25})

Go Local Nusselt number given Grashof number

Nu x = 0.6 \cdot ({(Gr x \cdot Pr)}^{0.2})

Go Local Nusselt number for constant heat flux for Grashof number

Nu x = 0.17 \cdot ({(G \cdot Pr)}^{0.25})

How to Evaluate Average Nusselt number upto L?

Average Nusselt number upto L evaluator uses Average Nusselt Number = (5/4)*Nusselt Number(L) to evaluate the Average Nusselt Number, The Average Nusselt number upto L formula is defined as the ratio of convective to conductive heat transfer across a boundary. Average Nusselt Number is denoted by Nu_avgl symbol.

How to evaluate Average Nusselt number upto L using this online evaluator? To use this online evaluator for Average Nusselt number upto L, enter Nusselt Number(L) (Nu_L) and hit the calculate button.

FAQs on Average Nusselt number upto L

What is the formula to find Average Nusselt number upto L?

The formula of Average Nusselt number upto L is expressed as Average Nusselt Number = (5/4)*Nusselt Number(L). Here is an example- 0.3125 = (5/4)*0.25.

How to calculate Average Nusselt number upto L?

With Nusselt Number(L) (Nu_L) we can find Average Nusselt number upto L using the formula - Average Nusselt Number = (5/4)*Nusselt Number(L).

What are the other ways to Calculate Average Nusselt Number?

Here are the different ways to Calculate Average Nusselt Number-

Average Nusselt Number=0.68+((0.67*((Grashof Number*Prandtl Number)^0.25))/((1+(0.492/Prandtl Number)^0.5625)^0.444))
Average Nusselt Number=(5/4)*Nusselt Number at Distance l from Leading Edge

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