Self-Similar Intermediate Structures in Turbulent Boundary L(19)

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

Figure1.(a)Schematicrepresentationoftheexperimentaldataintraditionalcoordinateslnη,φ.(b)Schematicrepresentationoftheexperimentaldatain(lnη,lnφ)coordinatesforexperimentsofthe rstgroup.

Figure2.(a)TheexperimentsbyCollins,Coles,Hike,(1978).Reθ=5,938.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure2.(b)TheexperimentsbyCollins,Coles,Hike,(1978).Reθ=6,800.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure2.(c)TheexperimentsbyCollins,Coles,Hike,(1978).Reθ=7,880.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure3.(a)TheexperimentsbyErmandJoubert,(1991).Reθ=697.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure3.(b)TheexperimentsbyErmandJoubert,(1991).Reθ=1,003.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure3.(c)TheexperimentsbyErmandJoubert,(1991).Reθ=1,568.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure3.(d)TheexperimentsbyErmandJoubert,(1991).Reθ=2,226.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure3.(e)TheexperimentsbyErmandJoubert,(1991).Reθ=2,788.Bothself-similarintermediateregions(I)and(II)areclearlyseen.

Figure4.(a)TheexperimentsbyNaguib,(1992).Reθ=4,550.Bothself-similarinterme-diateregions(I)and(II)areclearlyseen.