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Analysis of microbubbles by microbubble generator

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Old   November 18, 2021, 02:50
Default Analysis of microbubbles by microbubble generator
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Takayuki SUzuki
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Dear All,

I want to analyze the microbubble generator using ANSYS fluent or CFX. Microbubbles are a diameter of several tens of μm, and the purpose is to predict the number density of generated microbubbles with respect to the bubble diameter. In the experiment, the diameter of the microbubbles is about 10 μm to 100 μm, has a peak value at 50 μm, and has a number concentration of several thousand cells / ml.
In the microbubble generator, the microbubble can be generate by deformation or split the gas phase by at the high shear regions in swirling liquid. In the analysis, I think that the model of bubble splitting and coalescence is important.
However, I am wondering whether to work with fluent or CFX software. Also, I don't know which model to start with.
Fluent has a VOF and a hybrid model of the dpm model, and checked the spray tube tutorial. In the case of microbubbles, is it possible to analyze if the liquid phase is the gas phase and the gas phase is the liquid phase, as opposed to the spray tube?
At CFX, I checked the tutorial with the MUSIG model, but I am wondering if it can be analyzed with this and how to group bubbles at that time.
Can you give me some advice?

Thank you.
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