79215430

Date: 2024-11-22 14:44:05
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My best guess is that the Gas selected in the SIM is VDI4670, as it has a lower temperature limit of 200 K.

The lower temperature limit of VLEFluid Refprop.Air.ppf is the approximate triple point temperature 59.75 K. And the lower limit of VLEFluid Refprop.Air.Mix is the approximate triple point temperature of 55.7 K.

The limit of the Gas TILMedia.DryAir is shown in the documentation TILMedia.UsersGuide.SubstanceNames: screenshot of the documentation

The default gas mixture selected in the SIM is based in VDI Guideline 4670. The lower temperature limit is 200 K.

You should get error messages in the simulation log, if properties are calculated outside the valid range.

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Posted by: CSchulzeTLK