Air at 20 psia and (90{ }^{circ} mathrm{F}) flows over a flat plate at (100 mathrm{ft} /

Question:

Air at 20 psia and $90{ }^{\circ} \mathrm{F}$ flows over a flat plate at $100 \mathrm{ft} / \mathrm{s}$. Find the value of $x$ at which the Reynolds number is $10^{4}$. Choose three velocity profile models from Table 9.2 and plot the velocity profiles ( $u$ versus $y$ ) on the same axes. Ask your instructor to specify which velocity profiles to choose.

Table 9.2

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