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-   -   Mass diffusion (http://www.cfd-online.com/Forums/fluent/43141-mass-diffusion.html)

Haritz December 15, 2006 13:48

Mass diffusion
 
Hi everyone, im trying to simulate the mass-diffusion in a closed domain with a binary miscible liquids, i.e.: water-ethanol. The D (mass diffusion coefficient) is about 4,5e-9, but when I run the simulation in Fluent, the mass diffusion is very slow, slower than the experimental data. What can I be doing wrong?


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