How to handle counterflow BC's -- CFD Online Discussion Forums

March 15, 2021, 17:16	How to handle counterflow BC's	#1
Navier$tokes11 New Member NM Join Date: Mar 2021 Posts: 3 Rep Power: 5	Hi, I've done plenty of CFD but never using a Eulerian-Eulerian model. The situation isn't complicated, but I don't understand how the BC setup would work. I have a fluidized bed in a channel. Particles (treated as a continous phase) fall at a known velocity down through the channel. Where the particles exit, air is injected counter (upward) to the particle flow and exit out the top (particle inlet). Is it even possible to set this up. If I make a velocity inlet for my particles, how can it possibly double as an outlet? Thanks for your help

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