FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Local Nusselt number for constant heat flux Formula

GoLocal Nusselt number Formula

GoLocal Nusselt number given Grashof number Formula

Fx Copy

LaTeX Copy

Local Nusselt number is the ratio of convective to conductive heat transfer across a boundary. Check FAQs

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

Nu_x - Local Nusselt Number?Pr - Prandtl Number?Gr_x - Local Grashof Number?

Local Nusselt number for constant heat flux Example

With values

With units

Only example

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

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

Here is how the Local Nusselt number for constant heat flux equation looks like.

3.5455 = 0.508 \cdot ({0.7}^{0.5}) \cdot ({(0.952 + 0.7)}^{- 0.25}) \cdot (8000^{0.25})

3.5455 = 0.508 \cdot ({0.7}^{0.5}) \cdot ({(0.952 + 0.7)}^{- 0.25}) \cdot (8000^{0.25})

3.5455 = 0.508 \cdot ({0.7}^{0.5}) \cdot ({(0.952 + 0.7)}^{- 0.25}) \cdot (8000^{0.25})

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Physics » Category

Mechanical » Category

Heat and Mass Transfer » fx Local Nusselt number for constant heat flux

Local Nusselt number for constant heat flux Solution

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

Nu x = 0.508 \cdot ({0.7}^{0.5}) \cdot ({(0.952 + 0.7)}^{- 0.25}) \cdot (8000^{0.25})

Next Step Prepare to Evaluate

∴

Nu x = 0.508 \cdot ({0.7}^{0.5}) \cdot ({(0.952 + 0.7)}^{- 0.25}) \cdot (8000^{0.25})

Next Step Evaluate

∴

Nu x = 3.54554268543861

LAST Step Rounding Answer

∴

Nu x = 3.5455

Local Nusselt number for constant heat flux Formula Elements

Variables

Local Nusselt Number

Local Nusselt number is the ratio of convective to conductive heat transfer across a boundary.

Symbol: Nu_x

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Local Nusselt Number

Prandtl Number

The 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

Local Grashof Number

Local Grashof Number 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: Gr_x

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Local Grashof Number

Other Formulas to find Local Nusselt Number

Go Local Nusselt number

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

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})

Other formulas in Local and Average Nusselt Number category

Go Average Nusselt number upto L

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

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

How to Evaluate Local Nusselt number for constant heat flux?

Local Nusselt number for constant heat flux evaluator uses Local Nusselt Number = 0.508*(Prandtl Number^0.5)*((0.952+Prandtl Number)^(-0.25))*(Local Grashof Number^0.25) to evaluate the Local Nusselt Number, The Local Nusselt number for constant heat flux formula is defined a is the ratio of convective to conductive heat transfer across a boundary. Local Nusselt Number is denoted by Nu_x symbol.

How to evaluate Local Nusselt number for constant heat flux using this online evaluator? To use this online evaluator for Local Nusselt number for constant heat flux, enter Prandtl Number (Pr) & Local Grashof Number (Gr_x) and hit the calculate button.

FAQs on Local Nusselt number for constant heat flux

What is the formula to find Local Nusselt number for constant heat flux?

The formula of Local Nusselt number for constant heat flux is expressed as Local Nusselt Number = 0.508*(Prandtl Number^0.5)*((0.952+Prandtl Number)^(-0.25))*(Local Grashof Number^0.25). Here is an example- 3.545543 = 0.508*(0.7^0.5)*((0.952+0.7)^(-0.25))*(8000^0.25).

How to calculate Local Nusselt number for constant heat flux?

With Prandtl Number (Pr) & Local Grashof Number (Gr_x) we can find Local Nusselt number for constant heat flux using the formula - Local Nusselt Number = 0.508*(Prandtl Number^0.5)*((0.952+Prandtl Number)^(-0.25))*(Local Grashof Number^0.25).

What are the other ways to Calculate Local Nusselt Number?

Here are the different ways to Calculate Local Nusselt Number-

Local Nusselt Number=2*Distance from Point to YY Axis/Boundary Layer Thickens
Local Nusselt Number=0.6*((Local Grashof Number*Prandtl Number)^0.2)
Local Nusselt Number=0.17*((Grashof Number*Prandtl Number)^0.25)

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Local Nusselt number for constant heat flux Formula

​GoLocal Nusselt number Formula

​GoLocal Nusselt number given Grashof number Formula

Local Nusselt number for constant heat flux Example

Local Nusselt number for constant heat flux Solution

Local Nusselt number for constant heat flux Formula Elements

Other Formulas to find Local Nusselt Number

Other formulas in Local and Average Nusselt Number category

How to Evaluate Local Nusselt number for constant heat flux?

FAQs on Local Nusselt number for constant heat flux

Variable Name

GoLocal Nusselt number Formula

GoLocal Nusselt number given Grashof number Formula