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Bubble column--very urgent...

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Old   November 22, 2005, 07:32
Default Bubble column--very urgent...
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stud
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Hi,I appreciate if anybody can help me on these issuses I need some help regarding the unsteady simulations of bubble column using k-e model.... following are my questions

1.How to calculate the volume fraction of the secondary phase at Inlet in case co-current flow of liquid and air .

2. For batch liquid process what backflow conditions are valid 3. backflow conditions for co-current flow 4. boundary conditions for k and e 5. Any useful material for this simulations

Thanks
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