Problem

A scale model of a landscape is put in a wind tunnel to simulate wind effects on the build...

A scale model of a landscape is put in a wind tunnel to simulate wind effects on the buildings. Because the wind tunnel is not capable of producing velocities high enough to match the Reynolds number for the full-scale flow, the turbulent boundary layer is “tripped” by adding roughness to the front edge of the base plate. If the length of the plate is L = 5 m, the air speed is 30 m/s, and the boundary layer is fully turbulent from the leading edge, estimate the boundary layer thickness at the trailing edge of the base plate (x = L). How thick would the boundary layer be if it were laminar?

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Solutions For Problems in Chapter 4