Self-Similar Intermediate Structures in Turbulent Boundary L(21)

Self-Similar Intermediate Structures in Turbulent Boundary Layers At Large Reynolds Numbers

Figure7.(b)ThesamedataasinFigure 7(a)withthecoordinates ,φ.Thedeviationsfromtheaxisx=0re ectthex=lnη 253

in uenceoftheturbulenceofthefreestream.

Figure8.(a)TheexperimentsbyHancockandBradshaw,(1989).Reθ=4,680,u′/U=0.0003.Bothself-similarintermediateregionsareclearlyseen.

Figure8.(b)TheexperimentsbyHancockandBradshaw,(1989).Reθ=2,980,u′/U=0.024.Bothself-similarintermediatestructures(I)and(II)areclearlyseen.

Figure8.(c)TheexperimentsbyHancockandBradshaw,(1989).Reθ=5,760,u′/U=0.026.The rstself-similarintermediateregion(I)isclearlyseen,thesecondisnotrevealed.Figure8.(d)TheexperimentsbyHancockandBradshaw,(1989).Reθ=4,320,u′/U=0.041.The rstself-similarintermediateregion(I)isclearlyseen,thesecondisnotrevealed.Figure8.(e)TheexperimentsbyHancockandBradshaw,(1989).Reθ=3,710,u′/U=0.040.The rstself-similarintermediateregion(I)isclearlyseen,thesecondisnotrevealed.Figure8.(f)TheexperimentsbyHancockandBradshaw,(1989).Reθ=3,100,u′/U=0.058.The rstself-similarintermediateregion(I)isseen,althoughwithalargerscatter.Thesecondisnotrevealed.

Figure8.(g)TheexperimentsofHancockandBradshaw,(1989).Reθ=3,860,u′/U=0.058.The rstself-similarintermediateregion(I)isseen,althoughwithalargerscatter.Thesecondisnotrevealed.

Figure9.(a)TheexperimentsofWinterandGaudet,(1973).Reθ=32,150.The rstself-similarintermediateregion(I)isseen,althoughwithalargerscatter.Thesecondisnotrevealed.