evaporator design including external flow
I am working on boiling in evaporators.
1. tube body
2. inner fluid
3. fins body (fin body is modelled as porous medium)
4. external air body
i am having liq- refrigerated, vap-refrigerant and air as different fluids that are to be modelled.
i selected mixture model in multiphase flow with 3 phases. i specified primary phase as liq- ref, secondary as vap-ref and secondary phase as air.
my question is : in the inner fluid domain there should not be any air and in the external air domain there should not be any liq and vap-refrigerant. so is this possible to model.
and how to model porous medium with air flowing in with out any refrigerant.
this model is working fine in single phase flow .... i am new to use multi phase model. so can any one help in this.
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