Mean Velocities (Monday data)
Mean Velocities (Friday data)
Power-Law Fit (Monday)n = 5.06
Power-Law Fit (Friday)n = 4.25
Power-Law Fit (Friday)n = 5.06
Semi-log z (Monday)
Semi-log z (Friday)
Turbulent Stress Profiles (Monday)
Turbulent Stress Profiles (Friday)
Turbulence Intensities (Monday)
Turbulence Intensities (Friday)
Z=23.41cm (Monday)
Z=17.09 cm (Monday)
Z=10.83 cm (Monday)
Z=5.62 cm (Monday)
Z=3.19 cm (Monday)
Z=1.94 cm (Monday)
Z=1.60 cm (Monday)
Z=1.02 cm (Monday)
Z=0.57 cm (Monday)
Z=0.34 cm (Monday)
Z=0.20 cm (Monday)
PDF of fluctuations (Monday) z = 23.41 cm
PDF of fluctuations (Monday) z = 10.83 cm
PDF of fluctuations (Monday) z = 1.6 cm
PDF of fluctuations (Monday) z = 0.57 cm
PDF of fluctuations (Monday) z = 0.34 cm
PDF of fluctuations (Monday) z = 0.20 cm
Stress (Friday)
Stress (Monday)
Determination of u*30
25
20
15
10
5
0
/
(m
m2/s
2)
302520151050z (mm)
viscous
turbulent
total / = 25.7
Viscous stress1.2
1.0
0.8
0.6
0.4
0.2
0.0
Vis
cous
stre
ss (
+ un
its)
12 3 4 5 6 7 8 9
102 3 4 5 6 7 8 9
1002
z+
DPTV
DPIV
LDA
DNS
Reynolds stress1.2
1.0
0.8
0.6
0.4
0.2
0.0
Rey
nold
s S
tress
(+
units
)
12 3 4 5 6 7 8 9
102 3 4 5 6 7 8 9
1002
z+
DPTV
DPIV
LDA
DNS
Semi-Log Scaled BL Profile
Mean streamwise velocity profile20
15
10
5
0
U+
12 3 4 5 6 7 8 9
102 3 4 5 6 7 8 9
1002
z+
LDA
DPTV
DNS
Law of the wall = 0.41, C = 5.5
DPIV
Wall-Scaled Turbulence Intensities (Friday)
Wall-Scaled Turbulence Intensities (Monday)
Wall-Scaled Turbulence Intensities (Friday)
Wall-Scaled Turbulence Intensities (Monday)
Turbulence intensities3.0
2.5
2.0
1.5
1.0
0.5
0.0
u'+,
w'+
140120100806040200z+
LDA DPTV DNS
u'
w'
DPIV
ABL form of log-law
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