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diffusion coefficient

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Old   July 20, 2004, 13:45
Default diffusion coefficient
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Chico Mbanu
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Greetings

I addition to my previous posting, I am also trying to model diffusion through two cylindrical tubings. I set the boundary conditions for the tubings as walls. Is it possible to give the diffusion coefficient for the tubings in the boundary conditions screen for walls (under species - zero net diffusive flux - mass fraction). Your help would be greatly appreciated.

Chico
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