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bubble flow with eular model

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Old   June 27, 2011, 05:44
Question bubble flow with eular model
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Sai Chu
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hi, everybody.

now,i want to simulate a simple bubble flow in a horizontal pipe.
one inlet and one outlet.

but at the inlet boundary condition, how can i know the volume fraction of my inlet condition?

i have liquid inlet velocity and gas inlet condition, but i dont know what value of the volume fraction that i should enter.

can anyone help me?
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