molecular diffusion -- CFD Online Discussion Forums

May 26, 2009, 09:54	molecular diffusion	#1
gregy New Member Join Date: May 2009 Posts: 1 Rep Power: 0	Hi, I would like to make a simulation of molecular diffusion in closed tube. There are two gases, helium - up and nitrogen - down each in half of the tube. I want to know the mole fractions of diffusing nitrogen in various elevations as a function of time. Does anybody knows how to define the boundary conditions, model and solver to get any results? Thank You!

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