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April 14, 2010, 20:24	mass balance problem in transient simulation	#1
nana84 New Member Qi Nana Join Date: Apr 2010 Posts: 4 Rep Power: 16	Hi, I am Nana, a new one of CFX online, I have a problem when running the transient simulation in bubble column. The problem is when the first seconds (before bubble reach the liquid surface), there only bubbles in, but no bubbles out, then the gas phase mass is imbalance, and if the liquid phase should go out from the top? How to set the outlet boundary condition? Degassing or opening? The software I am using is CFX 12.0.

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bubble column, cfx12.0, degassing, mass balance, opening

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