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XY Plot show incoherent results

Question asked by Tiago Antonio on Sep 15, 2017
Latest reply on Sep 17, 2017 by Tiago Antonio

Hello,

currently I'm studying the mixing of two fuids in a T-junction that is in the order of magnitude of the micron. As a result the characteristic Reynolds number associated with these flows is very small, so I'm working in the laminar regime. The geometry I'm working is the following:

P4.JPG

The plane you see labeled as "Plane 1" is the section of the mixer outlet where I'm looking for some results.

After runing the simulation this is the result for the velocity field I get in this section:

Cut Plot 9.jpg

 

Next, what I did was to draw a line(sketch) in this same "Plane 1" parallel to the upper and lower walls that united the left and right walls. By other words, I want to know the velocity field, at a given plane and in my section of study, along the width. With this line I did a XY plot along that line I drew.

This is what I got:

Sem Título.jpg

I have zero velocity in the near walls region. If I select the probe and go to that region, it shows non zero values in this region...

Can someone tell me what am I missing here?

Thank you in advance for your help.

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