How to define the mass diffusion coefficients of species?
My model is about the diffusion of multicomponents in porous media. I want to modify the mass diffusion coefficients including the effects of porosity and tuotorsity so I need to define the mass diffusion coefficients of each species separately, so how can I make it?
I am also working on modeling of fuel cells but I could not find a proper way to incorporate "full" multicomponent diffusion in porous electrodes in a fuel cell. Also, I could not solve direction dependent porosity corrections issue, yet.
good luck to you :cool:
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