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How to set inlet as a porous medium

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Old   December 12, 2023, 04:08
Default How to set inlet as a porous medium
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Ghinna Nur Akram
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First I will say that I'm still new to CFD, especially ANSYS. So, I ask for your help.
I want to validate the method used in a paper entitled "Effects of different layouts of fine-pore aeration tubes on sewage collection and aeration in rectangular water tanks" with doi https://doi.org/10.1016/j.aquaeng.2020.102060 . I'm confused about understanding the sentence "The inlet was set as a porous medium, and each aeration arrangement required different outlet rates during the simulation." In this case, the inlet isn't just a surface placed at the bottom of the fluid domain? Because if I make fine-pore aeration tubes as a whole then the simulation will become very complex. Thank You.
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Old   December 20, 2023, 22:56
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Quote:
Originally Posted by gnakrammm View Post
First I will say that I'm still new to CFD, especially ANSYS. So, I ask for your help.
I want to validate the method used in a paper entitled "Effects of different layouts of fine-pore aeration tubes on sewage collection and aeration in rectangular water tanks" with doi https://doi.org/10.1016/j.aquaeng.2020.102060pico park . I'm confused about understanding the sentence "The inlet was set as a porous medium, and each aeration arrangement required different outlet rates during the simulation." In this case, the inlet isn't just a surface placed at the bottom of the fluid domain? Because if I make fine-pore aeration tubes as a whole then the simulation will become very complex. Thank You.
In CFD simulations, a porous medium is a region in the domain where fluid flow is modeled as occurring through a porous structure rather than through a clear, open flow space. The term "porous medium" does not necessarily mean a physical object like a surface at the bottom; instead,
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