Suppose that a fluid is flowing parallel to and over a flat plate. Obviously, a boundary layer develops in which the velocity ranges from 0 to 99% of the upstream velocity U. Could somebody please show me how the streamlines would look in this boundary layer? What do they typically look like in boundary layers?
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$\begingroup$ The Blasius or flat-plate boundary layer has a very small velocity normal to the wall compared to the much larger velocity along the wall. As a result, the streamlines are nearly parallel to the wall. Near the leading-edge, these assumptions break down. $\endgroup$– OSECommented Dec 17, 2013 at 15:35
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$\begingroup$ I should mention that the comment above refers to a laminar boundary layer. $\endgroup$– OSECommented Dec 17, 2013 at 15:36
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