Modeling Mass Transfer
I am modeling mass transfer in three phase fluidised bed. I am using eulerian model, 2D geometry and k-eps model for modeling turbulence. My problem comprises of mass transfer of Oxygen from air to de-aerated water.
My solution is unable to converge.I gave 10000 iterations per time step still!!
Now experimenting with under relaxation factors. But no result till nw.
Also please tell me where do i get to know the working of URF's i.e. their effects on convergence. So next time i make a trial, i would make an intelligent guess.
Any other suggestion or methods are welcome!!
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