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how to display recirculation zone?

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Old   October 30, 2005, 10:34
Default how to display recirculation zone?
  #1
Judy
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For swirling burner,there will exist recirculation zone. But I have a problem: how to display the size and length of recirculation zone in FLUENT? Thank you!
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Old   October 31, 2005, 03:32
Default Re: how to display recirculation zone?
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Robert Szasz
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I usually plot the iso-contour of 0 axial velocity.

Regards, Robert
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Old   October 31, 2005, 08:39
Default Re: how to display recirculation zone?
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Judy
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Thanks for your reply! But if I want to know the exact dimension of the recirculation zone, what should I do? Regards,Judy
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Old   November 5, 2005, 22:33
Default Re: how to display recirculation zone?
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lcw
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what's the meaning of 0 axial velocity? there are three velocities in the x,y,z directions repectively. which one should I choose?

thank you?
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Old   November 14, 2005, 10:58
Default Re: how to display recirculation zone?
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Robert Szasz
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I meant the velocity component which is parallel to the symmetry axis of the burner (i.e. U if the symmetry axis is 0x).

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Old   November 14, 2005, 11:12
Default Re: how to display recirculation zone?
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Robert Szasz
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I would extract the 0-isosurface (Surface->Iso-Surface) and then in Report->Surface Integrals you can check the dimensions of the surface. Regards, Robert
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