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<strong>Blade</strong> shape (chord c and twist θ ) are based on the Nordtank NTK<br />
500/41 wind turbine (see Hansen, page 62) and are plotted below<br />
(Figs. 15 & 16).<br />
Chord c (m)<br />
<strong>Blade</strong> twist angle (deg)<br />
1.8<br />
1.6<br />
1.4<br />
1.2<br />
1<br />
0.8<br />
0.6<br />
0.4<br />
0.2<br />
0<br />
0 2 4 6 8 10 12 14 16 18 20 22<br />
20<br />
18<br />
16<br />
14<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
Radius r (m)<br />
Fig. 15: Chord c<br />
0<br />
0 2 4 6 8 10 12 14 16 18 20 22<br />
r (m)<br />
Fig. 16: <strong>Blade</strong> twist angle θ<br />
16
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