FormulaDen.com

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

Nusselt number for inclined plates with heated surface facing down Formula

GoNusselt number for all value of GrPr and constant heat flux Formula

GoNusselt number for all value of GrPr and constant wall temperature Formula

Fx Copy

LaTeX Copy

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 = 0.56 \cdot ({(Gr e \cdot Pre \cdot \cos (θ))}^{0.25})

Nu - Nusselt Number?Gr_e - Grashof Number Property Elavated at Temperature?Pre - Prandtl Number(e) with Property Elevated at Te?θ - Angle with Vertical?

Nusselt number for inclined plates with heated surface facing down Example

With values

With units

Only example

Here is how the Nusselt number for inclined plates with heated surface facing down equation looks like with Values.

Here is how the Nusselt number for inclined plates with heated surface facing down equation looks like with Units.

Here is how the Nusselt number for inclined plates with heated surface facing down equation looks like.

0.318 = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (30))}^{0.25})

0.318 = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (30°))}^{0.25})

0.318 = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (30))}^{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 Nusselt number for inclined plates with heated surface facing down

Nusselt number for inclined plates with heated surface facing down Solution

Follow our step by step solution on how to calculate Nusselt number for inclined plates with heated surface facing down?

FIRST Step Consider the formula

Nu = 0.56 \cdot ({(Gr e \cdot Pre \cdot \cos (θ))}^{0.25})

Next Step Substitute values of Variables

∴

Nu = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (30°))}^{0.25})

Next Step Convert Units

∴

Nu = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (0.5236rad))}^{0.25})

Next Step Prepare to Evaluate

∴

Nu = 0.56 \cdot ({(0.6 \cdot 0.2 \cdot \cos (0.5236))}^{0.25})

Next Step Evaluate

∴

Nu = 0.317955247143303

LAST Step Rounding Answer

∴

Nu = 0.318

Nusselt number for inclined plates with heated surface facing down Formula Elements

Variables

Functions

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 Number

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: Gr_e

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Grashof Number Property Elavated at Temperature

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 Te

Angle with Vertical

Angle with vertical are pair angles formed when two lines intersect.

Symbol: θ

Measurement: AngleUnit: °

Note: Value can be positive or negative.

Formulas to find Angle with Vertical

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

Other Formulas to find Nusselt Number

Go Nusselt number for all value of GrPr and constant heat flux

Nu = {(0.825 + (\frac{0.387 \cdot ({(G \cdot Pr)}^{0.167})}{{(1 + {(\frac{0.437}{Pr})}^{0.5625})}^{0.296}}))}^{2}

Go Nusselt number for all value of GrPr and constant wall temperature

Nu = {(0.825 + (\frac{0.387 \cdot ({(G \cdot Pr)}^{0.167})}{{(1 + {(\frac{0.492}{Pr})}^{0.5625})}^{0.296}}))}^{2}

Go Nusselt number for turbulent flow

Nu = 0.10 \cdot ({(G \cdot Pr)}^{0.333})

Go Nusselt number for horizontal plate with upper surface heated or lower surface cooled

Nu = 0.54 \cdot ({(G \cdot Pr)}^{0.25})

Other formulas in Nusselt Number category

Go Nusselt number for higher value of GrPr

Nu avg L = 0.59 \cdot {(G \cdot Pr)}^{0.25}

Go Nusselt number for both constant wall temperature and heat flux

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

Go Nusselt number for horizontal cylinders

NuD = {(0.60 + (0.387 \cdot {(\frac{GrD \cdot Pr}{{(1 + {(\frac{0.559}{Pr})}^{0.5625})}^{0.296}})}^{0.167}))}^{2}

Go Nusselt Number based on Diameter for Horizontal Cylinders

NuD = 0.36 + (\frac{0.518 \cdot ({(GrD \cdot Pr)}^{0.25})}{{(1 + {(\frac{0.559}{Pr})}^{0.5625})}^{0.444}})

How to Evaluate Nusselt number for inclined plates with heated surface facing down?

Nusselt number for inclined plates with heated surface facing down evaluator uses Nusselt Number = 0.56*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te*cos(Angle with Vertical))^0.25) to evaluate the Nusselt Number, The Nusselt number for inclined plates with heated surface facing down 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 inclined plates with heated surface facing down using this online evaluator? To use this online evaluator for Nusselt number for inclined plates with heated surface facing down, enter Grashof Number Property Elavated at Temperature (Gr_e), Prandtl Number(e) with Property Elevated at Te (Pre) & Angle with Vertical (θ) and hit the calculate button.

FAQs on Nusselt number for inclined plates with heated surface facing down

What is the formula to find Nusselt number for inclined plates with heated surface facing down?

The formula of Nusselt number for inclined plates with heated surface facing down is expressed as Nusselt Number = 0.56*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te*cos(Angle with Vertical))^0.25). Here is an example- 0.317955 = 0.56*((0.6*0.2*cos(0.5235987755982))^0.25).

How to calculate Nusselt number for inclined plates with heated surface facing down?

With Grashof Number Property Elavated at Temperature (Gr_e), Prandtl Number(e) with Property Elevated at Te (Pre) & Angle with Vertical (θ) we can find Nusselt number for inclined plates with heated surface facing down using the formula - Nusselt Number = 0.56*((Grashof Number Property Elavated at Temperature*Prandtl Number(e) with Property Elevated at Te*cos(Angle with Vertical))^0.25). This formula also uses Cosine function(s).

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)))^2
Nusselt Number=(0.825+((0.387*((Grashof Number*Prandtl Number)^0.167))/((1+(0.492/Prandtl Number)^0.5625)^0.296)))^2
Nusselt Number=0.10*((Grashof Number*Prandtl Number)^0.333)

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Nusselt number for inclined plates with heated surface facing down Formula

​GoNusselt number for all value of GrPr and constant heat flux Formula

​GoNusselt number for all value of GrPr and constant wall temperature Formula

Nusselt number for inclined plates with heated surface facing down Example

Nusselt number for inclined plates with heated surface facing down Solution

Nusselt number for inclined plates with heated surface facing down Formula Elements

Other Formulas to find Nusselt Number

Other formulas in Nusselt Number category

How to Evaluate Nusselt number for inclined plates with heated surface facing down?

FAQs on Nusselt number for inclined plates with heated surface facing down

Variable Name

GoNusselt number for all value of GrPr and constant heat flux Formula

GoNusselt number for all value of GrPr and constant wall temperature Formula