Civil Engineering Reference
In-Depth Information
Figure 6.22.
Coefficient of correlation between the large-scale components
of the filtered envelope of the small-scale component (top) according to
[MAT 09]. The bottom figure shows the mean velocity profile.
Re
τ
=
7, 300
By identifying the logarithmic sublayer with the zone
100
<<
y
+
0.15
Re
τ
we obtain
+
+
1/ 2
y
≡=
y
3.9
Re
τ
R
=
0
M
If, on the other hand, we consider that the lower bound of
the logarithmic sublayer also depends on the Reynolds
number by way of
1/ 2
+
<<
CRe y Re
τ
0.15
log
τ
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