Research Article
Effect of Rotation Friction Ratio on the Power Extraction Performance of a Passive Rotation VAWT
Table 2
Characteristic parameters of the VAWT.
| Blade chord | b=0.083m |
| Moment of inertia | J=0.04042 kg·m2 |
| Rotation radius | R=5b |
| Wind density | ρ=1.225kg/m3 |
| Wind viscosity | μ=1.7894×10−5 |
| Number of blade | N=3 |
| Blade shape | NACA0018 |
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