Modeling of a system with mixture of two gases on Simscape

Question

Isha Malekar 2020-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/593512-modeling-of-a-system-with-mixture-of-two-gases-on-simscape

回答： Yifeng Tang 2022-12-29

My question is how can I model a physical system that has mixture of two different gases on simscape?

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Tobias Zunk 2021-11-23

Have you found a solution yet? I would be interested in the answer to this question as well.

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Answer 1

Yifeng Tang 2022-12-29

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https://ww2.mathworks.cn/matlabcentral/answers/593512-modeling-of-a-system-with-mixture-of-two-gases-on-simscape#answer_1137997

You may use the Moist Air (MA) domain and set the properties to the gases you'd like to mix. If either species may condense, you can use the "Moist" part of the MA domain for that species. Otherwise, the "dry air" part and the "trace gas" part will be enough. The Moist Air domain is available in R2018a or later.

In R2022a and later, if you have access to Simscape Fluids, there is a 4-species custom domain example for fuel cell system modeling. You may repurpose that for your mixing problem as well.

https://www.mathworks.com/help/releases/R2022b/hydro/ug/fuel-cell.html