Solution:-
Navier - stokes theorem in two dimension
let say x
Assuming
(1) no body forces in x - direction
(2) steady state
(3)
so, navier stokes theorem will reduced to
on integrating it we will get
Boundary conditions
u = 0 at y = 0
so, 0 = 0 + 0 +
= 0
so,
and y = h, u = U
so,
hence
on re-arranging terms
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