302
W. W. WII.LMAWTH AND S. S. LU
FIG. 12. Measurements of the contributions to UI' from dimerent events tit various distances
from the wall:
measured. - . .. -- computed, U;.,/ii; 19 measured, - -- -- - - computed
t ; ~ * ~ / I t i ! : ~
measured, -. . -. -. computed, &3/uii: ameasured. - ~ - .~ - computed. &,/;ti$; 0
measured. -- .- computd, &/ui: - - - measured, -- - --- computed. fraction of time in
hole. l / ~ 'c 20 ftisec. Re, I 4230. y/ Cr = 0.021 (with permission of J. Fluid Much.).
1.0
1% 0 . 8
0
4.1 '
FIG 13. Same HS Fig. 12. except y/h = 0.052 (with permission of J. Fluid Me&.).