The streamwise velocity component of a steady, incompressible, flat plate boundaryFor the previous problem if the flow is air at $T=20C$ that flows with a velocity of $3\frac{m}{s}$

which solution substitute by the $$ with the following relations to get the laminar and

turbulent displacement and momentum thicknesses at $x=30cm$ and $x=6m.$ Write a

comment on which result $($laminar or turbulent$)$ is more accurate at each case.

layer of boundary layer thickness $$ is approximated by the simple linear expression,

$u=U(\frac{y}{})$ for and $u=U$ for $y>.$ Generate expressions for displacement

thickness and momentum thickness as functions of $$ and compare them with the

displacement and momentum thicknesses for turbulent boundary layer where $u=$

$U(\frac{y}{}{)}^{\frac{1}{7}}.$