2D Analysis of air-water in a rotating cylinder -- CFD Online Discussion Forums

January 21, 2018, 13:38	2D Analysis of air-water in a rotating cylinder	#1
hamed.majeed Senior Member Hamed Abdul Majeed Join Date: May 2012 Location: New Orleans, LA, US Posts: 147 Rep Power: 13	Hi, I am working on analysis of a rotating 2D domain. Initially I have water in the bottom part of the domain and air fills the rest. The purpose of my study is to estimate the rimming speed in a rotating cylinder dryer. There is no inlet and outlet in the domain. The volume fraction plots of phase 2 (liquid water) are shown in figure attached. Question: The water content in the domain rises as the cylinder is given rotations. Practically, this is impossible. Any suggestions to overcome this flaw!! [IMG][/IMG] P.S.: Rimming speed is the speed of the dryer when the liquid water forms a rims on the inner circumference of the cylinder. Last edited by hamed.majeed; January 23, 2018 at 12:45.

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