www.academieroyale.be 168 LES TREILLIS 8 W 7 6 5 Z=0,75 l/h=20 4 3 2 1 Z=0,25 l/h=10 n 0 0 2 4 6 8 10 12 14 16 18 Figure 6.2.2. Figure 6.2.3. Figure 6.2.4.