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CFX air mixing by impeller

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Old   December 20, 2015, 16:11
Post CFX air mixing by impeller
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Willian Andrećo
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Hi,

I'm using CFX 14.5 to simulate flow inside a chamber. I need to use a small fan rotating. For this, first I created the chamber domain because is more complicated. Inside the chamber, I removed a volume of a cylinder and insert the impeller as a second domain. After, I drew the cylinder involving the impeller. Therefore, I have 3 domains: chamber, impeller and cylinder (See attached).
On CFX-Pre I set the chamber domain as stationary with its boundary conditions and the impeller and cylinder in a second domain, rotating. How can I set the interfaces (cylinder and chamber) properly? Is there any mistake in the geometry as I drew? I didn't now how to draw the cylinder and the propeller in the same domain, because when I unfreeze the cylinder, the impeller disappear.

Apologize for the English, Portuguese is my first language!
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Old   December 21, 2015, 01:32
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Glenn Horrocks
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This is covered in the rotor/stator tutorials which come with CFX. Have a look at them in the documentation.
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air mixing, cfx & air content, cfx 14.5, fan, impeller

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