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Simulating air injecting to water in a tank?

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Old   March 12, 2009, 14:54
Default Simulating air injecting to water in a tank?
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Howard Wang
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Can STAR-CD simulate air injecting thru. a tube to water in a tank? I believe this is a problem of fluid interaction or fluid mixing, not multiphase flow.

If connot, which CFD code can handle this?

Thanks, HW

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Old   March 12, 2009, 19:15
Default Re: Simulating air injecting to water in a tank?
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Roger Moore
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since you have 2 phases: air & water, it is a multiphase flow problem
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Old   March 15, 2009, 23:44
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Ping
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The standard VOF model in either STAR-CD or STAR-CCM+ will handle this case - you need to keep the cell sizes down in the order of the tube size and resulting bubbles to capture the bubbles well. Otherwise try the Eulerian-Eulerina model.
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