Condensation on a vertical wall -- CFD Online Discussion Forums

May 5, 2005, 21:55	Condensation on a vertical wall	#1
Yvonne Guest Posts: n/a	Hello everyone, I am using FLUENT to simulate water and vapor two phase laminar flow condensation on a vertical wall. I use VOF multiphase model to do this job. I made UDF for phase change mass transfer and heat transfer. My problem is that when I set gravity is zero, the reasults are well, but When I set gravity 9.81m/s^2, I can not get the correct temperature profile. Also the pressure gradient is very high. What I want is laminar film profile. Is that possible? Yvonne

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