Mass diffusivity given Lewis number Calculator

✖Heat diffusivity is the thermal conductivity divided by density and specific heat capacity at constant pressure.ⓘ Heat Diffusivity [Hd]			+10% -10%
✖The Lewis Number is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.ⓘ Lewis Number [L_e]			+10% -10%

✖Mass diffusivity is a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species.ⓘ Mass diffusivity given Lewis number [Md]

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Formula

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Mass diffusivity given Lewis number

Formula

`"Md" = "Hd"/"L"_{"e"}`

Example

`"0.111111m²/s"="0.5m²/s"/"4.5"`

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Mass diffusivity given Lewis number Solution

STEP 0: Pre-Calculation Summary

Formula Used

Mass Diffusivity = Heat Diffusivity/Lewis Number
Md = Hd/L_e
This formula uses 3 Variables

Variables Used

Mass Diffusivity - (Measured in Square Meter Per Second) - Mass diffusivity is a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species.
Heat Diffusivity - (Measured in Square Meter Per Second) - Heat diffusivity is the thermal conductivity divided by density and specific heat capacity at constant pressure.
Lewis Number - The Lewis Number is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.

STEP 1: Convert Input(s) to Base Unit

Heat Diffusivity: 0.5 Square Meter Per Second --> 0.5 Square Meter Per Second No Conversion Required
Lewis Number: 4.5 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

Md = Hd/L_e --> 0.5/4.5

Evaluating ... ...

Md = 0.111111111111111

STEP 3: Convert Result to Output's Unit

0.111111111111111 Square Meter Per Second --> No Conversion Required

FINAL ANSWER

0.111111111111111 ≈ 0.111111 Square Meter Per Second <-- Mass Diffusivity

(Calculation completed in 00.004 seconds)

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Shri Madhwa Vadiraja Institute of Technology and Management (SMVITM), Udupi

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Mass diffusivity given Lewis number

Go Mass Diffusivity = Heat Diffusivity/Lewis Number

Mass diffusivity given Lewis number Formula

Mass Diffusivity = Heat Diffusivity/Lewis Number
Md = Hd/L_e

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 Mass diffusivity given Lewis number?

Mass diffusivity given Lewis number calculator uses Mass Diffusivity = Heat Diffusivity/Lewis Number to calculate the Mass Diffusivity, The Mass diffusivity given Lewis number formula is defined as a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species. Mass Diffusivity is denoted by Md symbol.

How to calculate Mass diffusivity given Lewis number using this online calculator? To use this online calculator for Mass diffusivity given Lewis number, enter Heat Diffusivity (Hd) & Lewis Number (L_e) and hit the calculate button. Here is how the Mass diffusivity given Lewis number calculation can be explained with given input values -> 0.111111 = 0.5/4.5.

FAQ

What is Mass diffusivity given Lewis number?

The Mass diffusivity given Lewis number formula is defined as a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species and is represented as Md = Hd/L_e or Mass Diffusivity = Heat Diffusivity/Lewis Number. Heat diffusivity is the thermal conductivity divided by density and specific heat capacity at constant pressure & The Lewis Number is a dimensionless number defined as the ratio of thermal diffusivity to mass diffusivity.

How to calculate Mass diffusivity given Lewis number?

The Mass diffusivity given Lewis number formula is defined as a proportionality constant between the molar flux due to molecular diffusion and the gradient in the concentration of the species is calculated using Mass Diffusivity = Heat Diffusivity/Lewis Number. To calculate Mass diffusivity given Lewis number, you need Heat Diffusivity (Hd) & Lewis Number (L_e). With our tool, you need to enter the respective value for Heat Diffusivity & Lewis 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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