Two-phase air-water flow inside pipe -- CFD Online Discussion Forums

March 14, 2017, 13:23	Two-phase air-water flow inside pipe	#1
mohsenhiva New Member Mohsen Besharat Join Date: Jan 2014 Location: Lisbon, Portugal Posts: 4 Rep Power: 12	Hi, I am trying to model an emptying process from a pipe containing air pocket (Please see fig1 and fig2). The best result of my simulation for pressure inside the air pocket is like fig3. I use VOF model and k-e realizable with enhanced wall treatment. The outlet is pressure-outlet and the coupling method is PISO with compressive method for volume fraction. Can anyone help me to find how can I improve my simulation result? I appreciate your help. fig1.jpg fig2.jpg fig3.jpg

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