Dear DuMuX Users,
I am trying to incorporate an "inert component" as a hydrodynamic tracer
*in the 2pncNIMin model*. This tracer should only be present in the
wetting (liquid) phase and shouldn't be able to diffuse into the
non-wetting (gas) one.
A couple of questions :
1/ As the problem is *Non-Isothermal*, should this tracer have thermal
properties (such as thermal conducitvity, heat capacity etc.) and phase
change properties (Critical temperature, pressure, etc.) /although it is
physically considered not to contribute in any way/ to the energy transfer ?
2/ Is it enough to define diffusion properties (e.g. binary diffusion
coefficients) relative to the only other component that we know is the
main component of the wetting phase, or should we define it for ALL
components present (although not physically relevant) ?
3/ Is it enough to set the fugacity of the hydrodynamic tracer in the
liquid phase to 0.0 to prevent it from "diffusing" in the gas phase ?
4/ Is there any test problem where these issues are tackled in detail ?
Thanks for your help !
Best,
Joan
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