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Length Scale of Free Stream Turbulence and Its Impact on Bypass Transition in a Boundary Layer

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Academic year: 2017

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Fig. 1. Test section of wind tunnel:  a) plate (1),   grid (2) at the distance  L s  from the leading edge,  b) shape of the leading edge, c) cross-section
Table 1 Values of the distance  x / M  for grids G1 –  G4, from which turbulence is considered to be
Fig. 8. Velocity profile in a boundary layer, for  G3,  U  = 10 m/s,  L S  = 450 mm.
Fig. 10. The law of the wall for turbulent  boundary layer; boundary profiles for G3,
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