0.5
Wind Tunnel
VERTICAL
LONGITUDINAL
L
A
R
E
T
A
L
L
A
N
I
D
U
T
I
G
N
O
L
LONGITUDINAL PROFILE
LATERAL PROFILE
0.5 H
ref
2 H
ref
0.5 H
ref
0.5 H
ref
VERTICAL PROFILE
L
W
z
y
x
H
Wind
LATERAL
a
d
c
b
Vertical
K
x/H
y/H
x/H
K
H
/
y
1
0
0
0
2
2
0
0
0
0
2
−2
5
0 . 5
1
−
6
4
2
0
0
0
0
0.2
0.4
0.6
0.8
1
1.2
0.5
1
1.5
2
2.5
3
3.5
0.2
0.4
0.6
0.8
1
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
−0.67
−0.094
0.48
X
Y
Z
1.1
1.6
2.2
2.8
3.3
3.9
4.5
5.1
0.5
1
1.5
Z/H
Z/H
0
0.2
0.4
0.6
0.8
1
1.2
K
K
K
K
2
2.5
3
3.5
CFD
Wind Tunnel
CFD
Urban Air Quality: Meteorological Processes, Fig. 4
(a) Sketch of the single
building with indication of the upstream source position and profiles where wind tunnel
and CFD results are compared. (b) Contour of the x-velocity component in the middle
of the building from CFD simulations. (c) Concentration profiles for Case 1. (d)
Concentration profiles for Case 3
Urban Air Quality: Meteorological Processes
181