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Bubble breakup using VOF

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Old   August 18, 2022, 23:00
Default Bubble breakup using VOF
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Shahriar Mahmud
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Dear community,

I would like to request someone to shed some light on how VOF can simulate gas-liquid flow with void fraction distribution. I know there are different bubble breakup and coalescence models available which can be used for this purpose, but trying to understand the underlying physics used by VOF to simulate gas-liquid two phase flow. I know VOF tracks two immiscible fluid interface, but still didnt understand.

For example, CFD-PBM coupled model can be used to model bubble breakup-coalescence processes and as such provide gas void fraction. How VOF can do similar stuff without considering the bubble interaction?

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bubble breakup, bubble coalescence, pbm, vof

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