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Choice between Transport of Diluted Species and Transport of Concentrated Species
Posted 08.07.2025, 22:50 GMT-4 Computational Fluid Dynamics (CFD), Molecular Flow 0 Replies
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My physical scenario is as follows: At room temperature and atmospheric pressure, a gas mixture of 80% Ar and 20% CO₂ is introduced at a flow rate of 500 sccm through two small inlets (each with a diameter of 1 cm) into a metal enclosure filled with air. The enclosure has dimensions of 3.14 m × 1.76 m × 0.24 m, and there are two outlet holes (also 1 cm in diameter) on the opposite side.
My question is: Given this setup, should I choose the "Transport of Diluted Species" or the "Transport of Concentrated Species" physics interface in COMSOL?
Thank you in advance for your guidance!
Hello Shichao Ren
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