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Diffusive mass transport

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July 20, 2017, 03:38	Diffusive mass transport	#1
abi111 New Member abi Join Date: Jul 2016 Posts: 7 Rep Power: 9	Hi Why, when fick's law expressed in mass fractions, the total mixture density isn't inside the gradiet: J=- $\rho$ D $\nabla$ $\omega$ $_{i}$ ? I'm confused because the concentration of the component with the mixture is C $_{i}$ = $\rho$ $\omega$ $_{i}$

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diffusion, mass transfer, mixing, multicomponent diffusion

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