Thank you for your response.
1) Its a single phase multicomponent problem.
2) I did not set any reference density. The two components are Ethanol/Co2. Any ideas on what to use for their reference density?
3) Ansys Fluent.
4) Yes, if I neglect the overshoots the model result matches reasonably well with the exp data.
5) Yes. I am using UDF to specify the density & diffusion coefficient as a function of mass fraction.
Thank you again.
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