The growth of the boundary layer behind a shock wave
The time dependent growth of the laminar and turbulent boundary layers on the wall of a shock tube in shock-initiated flow was investigated experimentally by means of interferometric measurements. At a fixed point on the wall, a laminar layer is formed, grows, undergoes transition, and finally becomes a fully developed, and growing, turbulent layer. The laminar layer is observed to grow proportional to the square root of the time from the initiation of flow, as predicted by theory.
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