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aborigenas December 10, 2009 09:51

Two phase momentum
Can anybody please clarify what is [vi] (velocity transported across interface) in the momentum conservation equation [see picture below]?

I have two phase stratified flow with almost stagnant water (v=0.03 m/s) and steam enters at 10 m/s. Steam is condensing at the interface. Ag and Al are constant along the channel.

What should I enter as [vi] for gas phase and what for liquid phase?

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