Bathtub vortex and realated gas entrainment simulation in Fluent -- CFD Online Discussion Forums

April 24, 2012, 07:57	Bathtub vortex and realated gas entrainment simulation in Fluent	#1
Andrea1984 Senior Member Andrea Join Date: Feb 2012 Location: Leeds, UK Posts: 179 Rep Power: 16	Hi guys, my aim is to simulate a bathtub vortex and the related gas entrainment phenomenon in Fluent; I'm trying to use VOF (with the Geo-reconstruct algorithm) but it seems not able to reproduce well the air/water interface and neither the vortex itself. (I am sure, from experimental observation, that with the given boundary conditions the vortex is present!) Any tips are welcome! Thank in advance, Andrea

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