Are gas properties for common gasses (i.e. oxygen, nitrogen, CO2) defined anywhere for use in Simscape?

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Thomas
Thomas 2025-2-19
评论： Thomas 2025-9-4，21:36
I'm trying to use the Moist Air component library to model a mixed gas system and need to populate the Moist Air Properties block with different gas properties for the 'Dry Air' and 'Trace Gas'. If there are pre-existing gas properties that can be used to populate these fields, I'd prefer to use those instead of defining them myself.

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Yifeng Tang
Yifeng Tang 2025-2-24
移动：Sabin 2025-8-5
REFPROP and CoolProp will be the best path forward. I'm not aware of such a library in Simscape.
If you are working with N2, O2, H2O, H2, CO2, there are shipping examples that contain the properties for these. But I don't think I've seen anything else.
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Thomas
Thomas 2025-9-4，21:36
@Yifeng Tang, that might be useful. I downloaded that toolbox and will give it a try. For my application, the gasses are stored in separate tanks and are mixed together in a common volume after a variety of valves and regulators. As a result, I'm using single gasses and a mixture.

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