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The Nusselt Number is the ratio of convective to conductive heat transfer at a boundary in a fluid. Convection includes both advection and diffusion. Check FAQs
Nu=0.16⋅((Gre⋅Pre)0.333)
Nu - Nusselt Number?Gre - Grashof Number Property Elavated at Temperature?Pre - Prandtl Number(e) with Property Elevated at Te?

Nusselt number for horizontal plate with constant heat flux Example

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Here is how the Nusselt number for horizontal plate with constant heat flux equation looks like with Values.

Here is how the Nusselt number for horizontal plate with constant heat flux equation looks like with Units.

Here is how the Nusselt number for horizontal plate with constant heat flux equation looks like.

0.079Edit=0.16⋅((0.6Edit⋅0.2Edit)0.333)
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Nusselt number for horizontal plate with constant heat flux Solution

Follow our step by step solution on how to calculate Nusselt number for horizontal plate with constant heat flux?

FIRST Step Consider the formula
Nu=0.16⋅((Gre⋅Pre)0.333)
Next Step Substitute values of Variables
∴ Nu=0.16⋅((0.6⋅0.2)0.333)
Next Step Prepare to Evaluate
∴ Nu=0.16⋅((0.6⋅0.2)0.333)
Next Step Evaluate
∴Nu=0.0789745823016226
LAST Step Rounding Answer
∴Nu=0.079

Nusselt number for horizontal plate with constant heat flux Formula Elements

Variables
Nusselt Number
The Nusselt Number is the ratio of convective to conductive heat transfer at a boundary in a fluid. Convection includes both advection and diffusion.
Symbol: Nu
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Formulas to find Nusselt NumberOpen Variable
Grashof Number Property Elavated at Temperature
Grashof Number Property Elavated at Temperature is a dimensionless number in fluid dynamics and heat transfer which approximates the ratio of the buoyancy to viscous force acting on a fluid.
Symbol: Gre
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Formulas to find Grashof Number Property Elavated at TemperatureOpen Variable
Prandtl Number(e) with Property Elevated at Te
Prandtl Number(e) with Property Elevated at Te is defined as the ratio of momentum diffusivity to thermal diffusivity.
Symbol: Pre
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Formulas to find Prandtl Number(e) with Property Elevated at TeOpen Variable

Other Formulas to find Nusselt Number

​Go Nusselt number for all value of GrPr and constant heat flux
Nu=(0.825+(0.387⋅((G⋅Pr)0.167)(1+(0.437Pr)0.5625)0.296))2
​Go Nusselt number for all value of GrPr and constant wall temperature
Nu=(0.825+(0.387⋅((G⋅Pr)0.167)(1+(0.492Pr)0.5625)0.296))2
​Go Nusselt number for turbulent flow
Nu=0.10⋅((G⋅Pr)0.333)
​Go Nusselt number for horizontal plate with upper surface heated or lower surface cooled
Nu=0.54⋅((G⋅Pr)0.25)

Other formulas in Nusselt Number category

​Go Nusselt number for higher value of GrPr
NuavgL=0.59⋅(G⋅Pr)0.25
​Go Nusselt number for both constant wall temperature and heat flux
Nux=0.17⋅((Grx⋅Nu⋅Pr)0.25)
​Go Nusselt number for horizontal cylinders
NuD=(0.60+(0.387⋅(GrD⋅Pr(1+(0.559Pr)0.5625)0.296)0.167))2
​Go Nusselt Number based on Diameter for Horizontal Cylinders
NuD=0.36+(0.518⋅((GrD⋅Pr)0.25)(1+(0.559Pr)0.5625)0.444)

How to Evaluate Nusselt number for horizontal plate with constant heat flux?

Nusselt number for horizontal plate with constant heat flux evaluator uses Nusselt Number = 0.16*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te)^0.333) to evaluate the Nusselt Number, The Nusselt number for horizontal plate with constant heat flux formula is defined as the ratio of convective to conductive heat transfer across a boundary. Nusselt Number is denoted by Nu symbol.

How to evaluate Nusselt number for horizontal plate with constant heat flux using this online evaluator? To use this online evaluator for Nusselt number for horizontal plate with constant heat flux, enter Grashof Number Property Elavated at Temperature (Gre) & Prandtl Number(e) with Property Elevated at Te (Pre) and hit the calculate button.

FAQs on Nusselt number for horizontal plate with constant heat flux

What is the formula to find Nusselt number for horizontal plate with constant heat flux?
The formula of Nusselt number for horizontal plate with constant heat flux is expressed as Nusselt Number = 0.16*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te)^0.333). Here is an example- 0.078975 = 0.16*((0.6*0.2)^0.333).
How to calculate Nusselt number for horizontal plate with constant heat flux?
With Grashof Number Property Elavated at Temperature (Gre) & Prandtl Number(e) with Property Elevated at Te (Pre) we can find Nusselt number for horizontal plate with constant heat flux using the formula - Nusselt Number = 0.16*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te)^0.333).
What are the other ways to Calculate Nusselt Number?
Here are the different ways to Calculate Nusselt Number-
  • Nusselt Number=(0.825+((0.387*((Grashof Number*Prandtl Number)^0.167))/((1+(0.437/Prandtl Number)^0.5625)^0.296)))^2OpenImg
  • Nusselt Number=(0.825+((0.387*((Grashof Number*Prandtl Number)^0.167))/((1+(0.492/Prandtl Number)^0.5625)^0.296)))^2OpenImg
  • Nusselt Number=0.10*((Grashof Number*Prandtl Number)^0.333)OpenImg
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