Fx Copy
LaTeX Copy
Nusselt number(d) Based on Diameter is the ratio of convective to conductive heat transfer across a boundary. Check FAQs
NuD=0.36+(0.518((GrDPr)0.25)(1+(0.559Pr)0.5625)0.444)
NuD - Nusselt number(d) Based on Diameter?GrD - Grashof Number(d) Based on Diameter?Pr - Prandtl Number?

Nusselt Number based on Diameter for Horizontal Cylinders Example

With values
With units
Only example

Here is how the Nusselt Number based on Diameter for Horizontal Cylinders equation looks like with Values.

Here is how the Nusselt Number based on Diameter for Horizontal Cylinders equation looks like with Units.

Here is how the Nusselt Number based on Diameter for Horizontal Cylinders equation looks like.

0.6446Edit=0.36+(0.518((0.4Edit0.7Edit)0.25)(1+(0.5590.7Edit)0.5625)0.444)
You are here -
HomeIcon Home » Category Physics » Category Mechanical » Category Heat and Mass Transfer » fx Nusselt Number based on Diameter for Horizontal Cylinders

Nusselt Number based on Diameter for Horizontal Cylinders Solution

Follow our step by step solution on how to calculate Nusselt Number based on Diameter for Horizontal Cylinders?

FIRST Step Consider the formula
NuD=0.36+(0.518((GrDPr)0.25)(1+(0.559Pr)0.5625)0.444)
Next Step Substitute values of Variables
NuD=0.36+(0.518((0.40.7)0.25)(1+(0.5590.7)0.5625)0.444)
Next Step Prepare to Evaluate
NuD=0.36+(0.518((0.40.7)0.25)(1+(0.5590.7)0.5625)0.444)
Next Step Evaluate
NuD=0.644626231770286
LAST Step Rounding Answer
NuD=0.6446

Nusselt Number based on Diameter for Horizontal Cylinders Formula Elements

Variables
Nusselt number(d) Based on Diameter
Nusselt number(d) Based on Diameter is the ratio of convective to conductive heat transfer across a boundary.
Symbol: NuD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Grashof Number(d) Based on Diameter
Grashof Number(d) Based on Diameter 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: GrD
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
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.

Other Formulas to find Nusselt number(d) Based on Diameter

​Go Nusselt number for horizontal cylinders
NuD=(0.60+(0.387(GrDPr(1+(0.559Pr)0.5625)0.296)0.167))2
​Go Nusselt Number based on Diameter for Liquid Metals
NuD=0.53((GrD(Pr2))0.25)
​Go Nusselt Number based on Diameter for Horizontal Cylinders for Higher Ranges of GrPr
NuD=((((GrDPr(1+((0.559Pr)0.5625))0.296).167)(0.387))+0.60)2

Other formulas in Nusselt Number category

​Go Nusselt number for higher value of GrPr
NuavgL=0.59(GPr)0.25
​Go Nusselt number for all value of GrPr and constant heat flux
Nu=(0.825+(0.387((GPr)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((GPr)0.167)(1+(0.492Pr)0.5625)0.296))2
​Go Nusselt number for turbulent flow
Nu=0.10((GPr)0.333)

How to Evaluate Nusselt Number based on Diameter for Horizontal Cylinders?

Nusselt Number based on Diameter for Horizontal Cylinders evaluator uses Nusselt number(d) Based on Diameter = 0.36+((0.518*((Grashof Number(d) Based on Diameter*Prandtl Number)^0.25))/((1+(0.559/Prandtl Number)^0.5625)^0.444)) to evaluate the Nusselt number(d) Based on Diameter, The Nusselt Number based on Diameter for Horizontal Cylinders formula is defined as the ratio of convective to conductive heat transfer across a boundary. Nusselt number(d) Based on Diameter is denoted by NuD symbol.

How to evaluate Nusselt Number based on Diameter for Horizontal Cylinders using this online evaluator? To use this online evaluator for Nusselt Number based on Diameter for Horizontal Cylinders, enter Grashof Number(d) Based on Diameter (GrD) & Prandtl Number (Pr) and hit the calculate button.

FAQs on Nusselt Number based on Diameter for Horizontal Cylinders

What is the formula to find Nusselt Number based on Diameter for Horizontal Cylinders?
The formula of Nusselt Number based on Diameter for Horizontal Cylinders is expressed as Nusselt number(d) Based on Diameter = 0.36+((0.518*((Grashof Number(d) Based on Diameter*Prandtl Number)^0.25))/((1+(0.559/Prandtl Number)^0.5625)^0.444)). Here is an example- 0.644626 = 0.36+((0.518*((0.4*0.7)^0.25))/((1+(0.559/0.7)^0.5625)^0.444)).
How to calculate Nusselt Number based on Diameter for Horizontal Cylinders?
With Grashof Number(d) Based on Diameter (GrD) & Prandtl Number (Pr) we can find Nusselt Number based on Diameter for Horizontal Cylinders using the formula - Nusselt number(d) Based on Diameter = 0.36+((0.518*((Grashof Number(d) Based on Diameter*Prandtl Number)^0.25))/((1+(0.559/Prandtl Number)^0.5625)^0.444)).
What are the other ways to Calculate Nusselt number(d) Based on Diameter?
Here are the different ways to Calculate Nusselt number(d) Based on Diameter-
  • Nusselt number(d) Based on Diameter=(0.60+(0.387*((Grashof Number(d) Based on Diameter*Prandtl Number)/((1+(0.559/Prandtl Number)^0.5625)^0.296))^0.167))^2OpenImg
  • Nusselt number(d) Based on Diameter=0.53*((Grashof Number(d) Based on Diameter*(Prandtl Number^2))^0.25)OpenImg
  • Nusselt number(d) Based on Diameter=(((((Grashof Number(d) Based on Diameter*Prandtl Number)/((1+((0.559/Prandtl Number)^(0.5625)))^(0.296)))^(.167))*(0.387))+0.60)^(2)OpenImg
Copied!