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Old   February 24, 2010, 05:23
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Originally Posted by zandi View Post
would you please explain it more
I want to learn actually
you mean that your problem was about velocity in x and y direction?
there are 4 secondary flows in the plane normal to the main direction flow. directions of these flows are exactly as same as attached file but vice versa.
these secondary flows make max velocity occur at appx. .7 y from bottom of the channel.(if they would be in correct direction)
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