Table 1 Blades geometry: nominal arch angles, used as names, masses, radii of spheres forming blade surfaces, and angles of the surfaces to the blade plane at the rim, as shown in the inset in Fig. 1.
From: An aeroelastic wind energy harvester with continuous orbiting motion and no friction components
Blade name | m | \(R_1\), mm | \(R_2\), mm | \(\theta _1\) | \(\theta _2\) |
---|---|---|---|---|---|
\(35^\circ\) | 60 | 1057 | 1480 | \(42^\circ\) | \(30^\circ\) |
\(45^\circ\) | 63 | 1120 | 900 | \(38^\circ\) | \(51^\circ\) |
\(55^\circ\) | 68 | 920 | 805 | \(49^\circ\) | \(61^\circ\) |
\(65^\circ\) | 74 | 804 | 745 | \(59^\circ\) | \(70^\circ\) |