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setup fluent multiphase water air in centrifugal pump

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Old   August 7, 2024, 20:35
Smile setup fluent multiphase water air in centrifugal pump
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Mohamed
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I am trying to simulate multiphase in fluent: water as primary phase and air as a secondary phase in centrifugal pump:


My question is in phase interaction force:-

I choose the following:
Note: I am new to cfd field and my choices depend on very small reading


Drag Coefficient: tomiyama

Modification:brucato

Lift coefficient:hessenKemper-et-al

Turbulence Dispersion:simonin

Turbulence Interaction:simonin-et-al

Global Option: surface Tension Force Modeling
Model:Continuum Surface Stress

Surface Tension Coefficient:constant 0.073

interfacial area : ia particle


In Population Balance Model:-
Discrete
Parameter Kv 0.5235988
air min diameter 0.01 and max diameter 0.0125


Please, any comment or any recommendation on my choices or any advice for changing and choosing other options.
My simulation water(primary phase) and air (secondary phase) in fluent for 3d centrifugal pump with 700 rpm
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