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Void fraction in VOF

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Old   March 1, 2018, 11:52
Default Void fraction in VOF
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Hi all
Please help. I am trying to simulate a multiphase flow (slug flow case) in ANSYS Fluent. But after simulation of the transient case, my void fraction is not matching with my experimental data. It is way off. It gives me the value based on initial velocity which is (Vg/(Vg+Vl).
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vof model, void fraction

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