Boundary Lyer Theory

The corrrlnt,ion co~ffiricnt~ y~ ranges ovcr values up to y~ = -0.45.
More rxlr~~sive rncasurcment~s on t,hr t,urhlrnt, fluct,~lat,ions have also been
pcrformctl it1 t,hc I~ountlnry hycr of a flat. plate n.1, zrro incidence. Figure 18.5 reprntlnocs
some of t,llr rrsults ob1,ninccl I)y 1'. S. IZlcba.noff 1251 irl a boundary layer
on a fht. plak n.ssociat~cel wit11 a st,rmm of t,he very low t,nrl)~~le~lce intrnsit,~ of
0.02 0/, (c/. Scrs. XVIcl ant1 XVI I1 f). at, a ltoynoltls nnrnl)cr R, = ( I, z/v = 4.2 x loe.
,.
I ho prnfileof 1.11~ t,en~poral me:m of the vrlocity, d, cxllibits ashape whic:h is very much
lilte t,llnt in :I c:h:cnncl, I'ig. 18.3. 'Sllc vari:~t.ion of tho lon~itmtlinnl fluct.untion v