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Old   July 12, 2011, 13:30
Default dnesity and phase separation
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Hi .
I am working with a porous media simulating a drainage of oil in a porous media filled by water. But I found that if I use a low density oil, CFX hold the 2 phases segregated, but when I use an oil with a higer density (near of the water value) after some time ( in transient simulation), the 2 phases are mixed. What is happening? (the gravity is not defined)
and sorry by my english

Model :
B.C: Vel in, Pressure out
Courant lower than 0.7
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multiphase flow, porous media

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