Diffusion Flux Calculator

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✖Diffusion coefficient is the proportionality factor D in Fick's law .ⓘ Diffusion coefficient [D]			+10% -10%
✖Concentration difference is the difference in concentration of diffusing species.ⓘ Concentration difference [ΔC]			+10% -10%
✖Distance (length) across which the diffusion is taking place.ⓘ Distance [d]			+10% -10%

✖Diffusion flux is the mass diffusing through and perpendicular to a unit cross-sectional area of solid per unit of time.ⓘ Diffusion Flux [J]

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Diffusion Flux

Hariharan V S

Indian Institute of Technology (IIT), Chennai

Hariharan V S has created this Calculator and 25+ more calculators!

< 1 Other formulas that you can solve using the same Inputs

Non-steady state diffusion

Concentration at x distance=Initial concentration+(Surface concentration-Initial concentration)*(1-erf(Distance/(2*sqrt(Diffusion coefficient*Diffusion time)))) GO

Diffusion Flux Formula

Diffusion flux=Diffusion coefficient*(Concentration difference/Distance)

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Fick's first law

Fick's first law states that the diffusive flux goes from regions of high concentration to regions of low concentration, with a magnitude that is proportional to the concentration gradient and the proportionality constant is the diffusion coefficient.

How to Calculate Diffusion Flux?

Diffusion Flux calculator uses Diffusion flux=Diffusion coefficient*(Concentration difference/Distance) to calculate the Diffusion flux, Diffusion Flux is the mass diffusing through and perpendicular to a unit cross-sectional area of solid per unit of time. Diffusion flux and is denoted by J symbol.

How to calculate Diffusion Flux using this online calculator? To use this online calculator for Diffusion Flux, enter Diffusion coefficient (D), Concentration difference (ΔC) and Distance (d) and hit the calculate button. Here is how the Diffusion Flux calculation can be explained with given input values -> 1.500E-9 = 3E-11*(0.5/0.01).

FAQ

What is Diffusion Flux?

Diffusion Flux is the mass diffusing through and perpendicular to a unit cross-sectional area of solid per unit of time and is represented as J=D*(ΔC/d) or Diffusion flux=Diffusion coefficient*(Concentration difference/Distance). Diffusion coefficient is the proportionality factor D in Fick's law , Concentration difference is the difference in concentration of diffusing species and Distance (length) across which the diffusion is taking place.

How to calculate Diffusion Flux?

Diffusion Flux is the mass diffusing through and perpendicular to a unit cross-sectional area of solid per unit of time is calculated using Diffusion flux=Diffusion coefficient*(Concentration difference/Distance). To calculate Diffusion Flux, you need Diffusion coefficient (D), Concentration difference (ΔC) and Distance (d). With our tool, you need to enter the respective value for Diffusion coefficient, Concentration difference and Distance 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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