Molecular diffusivity of heat given Prandtl number Calculator

✖Molecular diffusivity of momentum is the spread of momentum between particles (atoms or molecules) of matter, often in the fluid state.ⓘ Molecular Diffusivity of Momentum [Dm]			+10% -10%
✖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.ⓘ Prandtl Number [Pr]			+10% -10%

✖Molecular Diffusivity of Heat spread of momentum between heat of matter, often in the fluid state.ⓘ Molecular diffusivity of heat given Prandtl number [Mdh]

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Formula

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Molecular diffusivity of heat given Prandtl number

Formula

`"Mdh" = "Dm"/"Pr"`

Example

`"0.714286m²/s"="0.5m²/s"/"0.7"`

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Molecular diffusivity of heat given Prandtl number Solution

STEP 0: Pre-Calculation Summary

Formula Used

Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number
Mdh = Dm/Pr
This formula uses 3 Variables

Variables Used

Molecular Diffusivity of Heat - (Measured in Square Meter Per Second) - Molecular Diffusivity of Heat spread of momentum between heat of matter, often in the fluid state.
Molecular Diffusivity of Momentum - (Measured in Square Meter Per Second) - Molecular diffusivity of momentum is the spread of momentum between particles (atoms or molecules) of matter, often in the fluid state.
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.

STEP 1: Convert Input(s) to Base Unit

Molecular Diffusivity of Momentum: 0.5 Square Meter Per Second --> 0.5 Square Meter Per Second No Conversion Required
Prandtl Number: 0.7 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Mdh = Dm/Pr --> 0.5/0.7

Evaluating ... ...

Mdh = 0.714285714285714

STEP 3: Convert Result to Output's Unit

0.714285714285714 Square Meter Per Second --> No Conversion Required

FINAL ANSWER

0.714285714285714 ≈ 0.714286 Square Meter Per Second <-- Molecular Diffusivity of Heat

(Calculation completed in 00.004 seconds)

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Home » Physics » Heat and Mass Transfer » Convection » Dimensionless groups » Mass and Molecular Diffusivity » Molecular diffusivity of heat given Prandtl number

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< 5 Mass and Molecular Diffusivity Calculators

Molecular diffusivity of momentum given Prandtl number

Go Molecular Diffusivity of Momentum = Prandtl Number*Molecular Diffusivity of Heat

Molecular diffusivity of momentum given Schmidt number

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Molecular diffusivity of heat given Prandtl number

Go Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number

Molecular diffusivity of mass given Schmidt number

Go Molecular Diffusivity of Mass = Molecular Diffusivity of Momentum/Schmidt Number

Mass diffusivity given Lewis number

Go Mass Diffusivity = Heat Diffusivity/Lewis Number

Molecular diffusivity of heat given Prandtl number Formula

Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number
Mdh = Dm/Pr

What is convection?

Convection is the process of heat transfer by the bulk movement of molecules within fluids such as gases and liquids. The initial heat transfer between the object and the fluid takes place through conduction, but the bulk heat transfer happens due to the motion of the fluid.

How to Calculate Molecular diffusivity of heat given Prandtl number?

Molecular diffusivity of heat given Prandtl number calculator uses Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number to calculate the Molecular Diffusivity of Heat, The Molecular diffusivity of heat given Prandtl number formula is defined as spread of het between particles (atoms or molecules) of matter, often in the fluid state. Molecular Diffusivity of Heat is denoted by Mdh symbol.

How to calculate Molecular diffusivity of heat given Prandtl number using this online calculator? To use this online calculator for Molecular diffusivity of heat given Prandtl number, enter Molecular Diffusivity of Momentum (Dm) & Prandtl Number (Pr) and hit the calculate button. Here is how the Molecular diffusivity of heat given Prandtl number calculation can be explained with given input values -> 0.714286 = 0.5/0.7.

FAQ

What is Molecular diffusivity of heat given Prandtl number?

The Molecular diffusivity of heat given Prandtl number formula is defined as spread of het between particles (atoms or molecules) of matter, often in the fluid state and is represented as Mdh = Dm/Pr or Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number. Molecular diffusivity of momentum is the spread of momentum between particles (atoms or molecules) of matter, often in the fluid state & 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.

How to calculate Molecular diffusivity of heat given Prandtl number?

The Molecular diffusivity of heat given Prandtl number formula is defined as spread of het between particles (atoms or molecules) of matter, often in the fluid state is calculated using Molecular Diffusivity of Heat = Molecular Diffusivity of Momentum/Prandtl Number. To calculate Molecular diffusivity of heat given Prandtl number, you need Molecular Diffusivity of Momentum (Dm) & Prandtl Number (Pr). With our tool, you need to enter the respective value for Molecular Diffusivity of Momentum & Prandtl Number and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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