Problems defining a new medium model (Modelica.Media) -

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I am trying to set up a new medium model based on modelica. Media My model spreads from a partial mixture when imitating an open vessel (taken from modelica Fluid), which neither feeds nor grooves but is heated from the outside, the balance of mass is not met.

Thanks in advance

Timo

I'm not sure that your problem is with the middle model if the composition Regarding the density or partial derivatives are incorrect (and used in the model), it is possible that the middle model causes the problem, but without more information I can not determine it. Other reasons may be, the open vessel is valid only for liquids, and if your liquid model is boiling or in the two-phase area, it may be outside the validity zone of the vessel model.

Hubertus

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