The velocity u of air flowing past a flat surface is measured at several distances y away from the surface. Fit a curve to this data assuming that the velocity is zero at the surface (y = 0). Use your result to determine the shear stress (du/dy) at the surface.
y, m | 0.002 | 0.006 | 0.012 | 0.018 | 0.024 |
u, m/s | 0.287 | 0.899 | 1.915 | 3.048 | 4.299 |
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