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Two Phase Flow Through an Impeller

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Old   March 2, 2015, 16:53
Default Two Phase Flow Through an Impeller
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Philip
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ANSYS FLUENT:

I am currently trying to model a system in which a two phase (water and air[ Volume fraction 20%]) passes through an impeller.

-Mixture Model
-K-epsilon Turbulence Model
-Rotating reference plane of impeller location at 100 rad /sec
-Inlet velocity, water=0.6 m/s and air 0.5 m/s

The problem that I am having however is that the solution is that the AMG is diverging.

Any tips on creating a model for this system would be very much appreciated as I am no expert at CFD.

Thanks.
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