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Nusselt Number for Liquids Formula

GoNusselt Number based on Diameter Formula

GoNusselt number for liquids and gases Formula

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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 = (0.35 + ((0.56) \cdot {(Re D)}^{0.52})) \cdot ({(Pr)}^{0.333})

Nu - Nusselt Number?Re_D - Reynolds Number Dia?Pr - Prandtl Number?

Nusselt Number for Liquids Example

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Here is how the Nusselt Number for Liquids equation looks like with Values.

Here is how the Nusselt Number for Liquids equation looks like with Units.

Here is how the Nusselt Number for Liquids equation looks like.

23.3649 = (0.35 + ((0.56) \cdot {(1600)}^{0.52})) \cdot ({(0.7)}^{0.333})

23.3649 = (0.35 + ((0.56) \cdot {(1600)}^{0.52})) \cdot ({(0.7)}^{0.333})

23.3649 = (0.35 + ((0.56) \cdot {(1600)}^{0.52})) \cdot ({(0.7)}^{0.333})

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Nusselt Number for Liquids Solution

Follow our step by step solution on how to calculate Nusselt Number for Liquids?

FIRST Step Consider the formula

Nu = (0.35 + ((0.56) \cdot {(Re D)}^{0.52})) \cdot ({(Pr)}^{0.333})

Next Step Substitute values of Variables

∴

Nu = (0.35 + ((0.56) \cdot {(1600)}^{0.52})) \cdot ({(0.7)}^{0.333})

Next Step Prepare to Evaluate

∴

Nu = (0.35 + ((0.56) \cdot {(1600)}^{0.52})) \cdot ({(0.7)}^{0.333})

Next Step Evaluate

∴

Nu = 23.3648976532646

LAST Step Rounding Answer

∴

Nu = 23.3649

Nusselt Number for Liquids 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 Number

Reynolds Number Dia

Reynolds Number Dia is the ratio of inertial forces to viscous forces.

Symbol: Re_D

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Reynolds Number Dia

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

Other Formulas to find Nusselt Number

Go Nusselt Number based on Diameter

Nu = (0.35 + 0.56 \cdot ({Re}^{0.52})) \cdot {Pr}^{0.33}

Go Nusselt number for liquids and gases

Nu = (0.43 + 0.50 \cdot ({Re}^{0.5})) \cdot {Pr}^{0.38}

Go Nusselt number when property variation is larger due to temperature variation

Nu = 0.25 \cdot ({Re}^{0.6}) \cdot ({Pr}^{0.38}) \cdot {(\frac{P f}{Pr w})}^{0.25}

Go Nusselt number given dynamic viscosity

Nu = (0.4 \cdot ({Re}^{0.5}) + 0.06 \cdot ({Re}^{0.67})) \cdot ({Pr}^{0.4}) \cdot {(\frac{μ ∞}{μ w})}^{0.25}

How to Evaluate Nusselt Number for Liquids?

Nusselt Number for Liquids evaluator uses Nusselt Number = (0.35+((0.56)*(Reynolds Number Dia)^(0.52)))*((Prandtl Number)^(0.333)) to evaluate the Nusselt Number, The Nusselt Number for Liquids formula is defined as for Reynolds number between 0.1 to 10^5 and is stated as a dimensional number in terms of Reynolds and Prandtl number. Nusselt Number is denoted by Nu symbol.

How to evaluate Nusselt Number for Liquids using this online evaluator? To use this online evaluator for Nusselt Number for Liquids, enter Reynolds Number Dia (Re_D) & Prandtl Number (Pr) and hit the calculate button.

FAQs on Nusselt Number for Liquids

What is the formula to find Nusselt Number for Liquids?

The formula of Nusselt Number for Liquids is expressed as Nusselt Number = (0.35+((0.56)*(Reynolds Number Dia)^(0.52)))*((Prandtl Number)^(0.333)). Here is an example- 23.3649 = (0.35+((0.56)*(1600)^(0.52)))*((0.7)^(0.333)).

How to calculate Nusselt Number for Liquids?

With Reynolds Number Dia (Re_D) & Prandtl Number (Pr) we can find Nusselt Number for Liquids using the formula - Nusselt Number = (0.35+((0.56)*(Reynolds Number Dia)^(0.52)))*((Prandtl Number)^(0.333)).

What are the other ways to Calculate Nusselt Number?

Here are the different ways to Calculate Nusselt Number-

Nusselt Number=(0.35+0.56*(Reynolds Number^0.52))*Prandtl Number^0.33
Nusselt Number=(0.43+0.50*(Reynolds Number^0.5))*Prandtl Number^0.38
Nusselt Number=0.25*(Reynolds Number^0.6)*(Prandtl Number^0.38)*(Prandtl Number at Film Temperature/Prandtl Number at Wall Temperature)^0.25

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Nusselt Number for Liquids Formula

​GoNusselt Number based on Diameter Formula

​GoNusselt number for liquids and gases Formula

Nusselt Number for Liquids Example

Nusselt Number for Liquids Solution

Nusselt Number for Liquids Formula Elements

Other Formulas to find Nusselt Number

How to Evaluate Nusselt Number for Liquids?

FAQs on Nusselt Number for Liquids

Variable Name

GoNusselt Number based on Diameter Formula

GoNusselt number for liquids and gases Formula