When you walk through still air at a rate of \(1 \mathrm{~m} / \mathrm{s}\), would you expect the character of the airflow around you to be most like that depicted in Fig. 9.6a, b, or c? Explain.

 Fig. 9.6

Transcribed Image Text:

U Viscous forces important throughout Re = UD/y = 0.1 Viscosity not important (a) U Separation location + Separation bubble Re=50 Viscosity not important Boundary layer U Re-105 8 <