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How to calculate the mass flux at a disturbed surface?

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June 2, 2021, 04:36	How to calculate the mass flux at a disturbed surface?	#1
ROY4 Member Roy Join Date: Sep 2017 Posts: 80 Rep Power: 9	Hello everyone, I am modeling a stirred bioreactor that has air sparged into it. There is also a headspace region at the top to accommodate liquid expansion due to the air injection (using the adapt/patch method) and I use a pressure outlet BC at the top. I want to see if the air mass conservation is fulfilled in the simulation. I know m-dot at the inlet, but my question is, how can I calculate the mass flow rate of air in the outlet which is a changing surface? Your help is very much appreciated. Thank you

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bioreactor, mass conservation, multiphase flows

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