mixing two liquid
 

hi my friends
i try to modelling the static mixer in fluent that mixed two liquids with the different density, the problem is 3D.
how do i do it?
what do i use the model viscous?
k- epsilon or k-omega or reynolds stress or detached eddy simulation??
what do i use the model viscous?
VOF or mixture or aulerian?

-If your fluids are continuous and are interpenetrating each other and could separate then use the full eulerian approach. If they tends to separate then VOF> Please reply upon this or whether one fluid is injected as dispersed particles into the existing fluid.

-I assume that your flow is turbulent you can start using the k-epsilon model with enhanced wall treatment (as first instance)

-Enable gravity and give the density of your lightest phase as the reference one

-Start first of all doing some tutorials in multiphase and turbulence

thanks for your helping my friends
you mean i should use the aulerian method?
one of the liquids is water and the other liquids is the condensate product with 735 kg/m^3 density. in this static mixer i try to full mixing within liquids. the water with 3.75 kg/s and the condensate product with 20 kg/s enter the mixer that is the pipe with internal blade for mixing and the mixer size is 1500mm. the problem is 3d and i have problem with mesh this.
please help me to find doing some tutorials in multiphase and turbulence