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Saturation Temperature as a function of pressure

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Old   October 27, 2021, 06:17
Default Saturation Temperature as a function of pressure
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I am trying to simulate a 3 phase (steam, water and air) case in Fluent.

I am using the Euler-Euler model and the lee-model for the phase change.

Since the Euler-Euler-Model does not have a partial-pressure I am a bit confused.

At the beginning my domain has 100 % air in it and steam is injected. The walls are cold so the steam will condensate.

So should I consider the total-pressure for calculating the saturation temperature or the partial pressure of steam to calculate it? The partial pressure would be the volume fraction*total pressure.
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fluent 2020 r1, multiphase, phase change, saturation temeprature

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