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Outflow boundary condition

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April 21, 2016, 14:27	Outflow boundary condition	#1
sahmed Member Sheikh Ahmed Join Date: Dec 2015 Location: South Carolina, USA Posts: 88 Rep Power: 10	I am simulating a flow through a tube with detailed chemistry, that means solving species conservation as well. For the outlet of the tube, I need a flow happening. If I use ZEROGRADIENT boundary condition at the outlet, it would be an insulated condition. Could anyone tell me which boundary condition at the outlet is appropriate for this condition for species, pressure, velocity and temperature?

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