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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)

Credits

Created by Nishan Poojary

Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi

Nishan Poojary has created this Formula and 500+ more formulas!

Verified by Rajat Vishwakarma

University Institute of Technology RGPV (UIT - RGPV), Bhopal

Rajat Vishwakarma has verified this Formula and 400+ more formulas!

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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