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the mass diffusion for two miscible fluids with canstant temperatures t = 30c °

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Old   June 25, 2019, 08:35
Default the mass diffusion for two miscible fluids with canstant temperatures t = 30c °
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Hello in fact, I do not know how to use the definition function (UDF), but by a direct application with fluent ansys, can I mix between two miscible fluids to study the mass diffusion between two fluids; know that the temperature is constant = 30C ° in the basin for the two fluids. I use salt water and fresh water; My big problem is that there is no liquid in the form of salt water (NaCl) in Fluent Database Material. please tell me, how can i create a NaCl liquid. and what are the steps I can follow in Model: "SPECIES TRANSPORT, REACTION". you will find a diagram of the geometry that I started to study. Please give me some help, I'm really stuck.
Thank you in advance.


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