Which of the following can be said by the red line between AB.
Question 4Answer
a.
There is no flow or momentum crossing the line.
b.
All along that line, the velocity is the same as the free-stream velocity.
c.
The line represent the boundary layer thickness, .
d.
The line represents a streamline that passes through the boundary layer thickness, , at location x.
e.
There is no fluid sheer stress across the line.