Atmospheric Dispersion with a Large-Eddy Simulation
251
0.20
3.0
2.5
2.0
1.5
X *
z/h
1.0
0.5
0.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.60
0.80
0.40
1.4
1.0
1.0
3.6
2.8
3.0
1.6
2.0
2.2
1.2
2.4
3.0
2.5
2.0
1.5
X *
z/h
1.0
0.5
0.0
0.0
(b)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.60
1.8
2.2
2.4
2.4
3.6
3.4
0.40
0.20
3.2
2.3
4.8 4.4
3.8
2.2
4.0
2.6
5.0
4.2
4.6
3.3
0.60
1.4
1.0
2.0
1.6
0.80
2.6
0.80
0
0.40
0.60
1.2
2.6
(a)
FIGURE 9.1 Isopleths of crosswind integrated concentration for elevated release, (a) average over fi rst 0–1000 time steps, (b) average over 1000–2000 time steps, (c) average over
2000–3000 time steps, and (d) average over 3000–4000 time steps.
(continued)
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