blasius-solution-example-problems

Blasius Solution: Example Problems

Try to solve these problems before watching the solutions in the screencasts.

Example Problem 1

Consider the laminar flow of a fluid with a kinematic viscosity of 2.0 x 10^-5 m²/s in parallel flow over a flat plate. Where along the plate is the boundary layer 5 mm thick? What is the velocity at that point? The freestream velocity, U, is 5 m/s.

Example Problem 2

Find the velocity at the edge of the boundary layer in terms of $x$ , given:

$v = \frac{1}{2} \frac{\sqrt{u_{\infty} γ}}{x} (η \frac{d f}{d η} - f)$

$γ = 8.6 x 10^{- 4} m^{2} / s$

$u_{\infty} = 2 m / s$

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Blasius Solution: Example Problems

Example Problem 1

Example Problem 2