Table 2 BEM calculations for the airfoil Eppler design (E63).
From: Investigation of the performance of a horizontal-axis dual rotor wind turbine
S | \({r}_{i}\)(m) | \({\lambda }_{r,i}\) | \({U}_{blade}\,\left({\frac{{{\text{m}}^{2} }}{{\text{s}}}}\right)\) | \({W}_{rel}\,\left({\frac{{{\text{m}}}}{{\text{s}}}}\right)\) | \({\varnothing }_{i}\,({\text{deg}})\) | \({\propto }_{design}\,({\text{deg}})\) | \({\beta }_{i}\) | Chord \({C}_{i}\,\left({\text{m}}\right)\) |
|---|---|---|---|---|---|---|---|---|
1 | 0.02 | 0.125 | 0.839 | 7.586 | 55.25 | 5 | 50.25 | 0.062 |
2 | 0.06 | 0.375 | 2.516 | 7.949 | 46.296 | 5 | 41.296 | 0.133 |
3 | 0.1 | 0.625 | 4.194 | 8.628 | 38.663 | 5 | 33.663 | 0.158 |
4 | 0.14 | 0.875 | 5.872 | 9.556 | 32.543 | 5 | 27.543 | 0.158 |
5 | 0.18 | 1.125 | 7.549 | 10.67 | 27.756 | 5 | 22.756 | 0.149 |
6 | 0.22 | 1.375 | 9.227 | 11.916 | 24.018 | 5 | 19.018 | 0.137 |
7 | 0.26 | 1.625 | 10.904 | 13.257 | 21.072 | 5 | 16.072 | 0.125 |
8 | 0.3 | 1.875 | 12.582 | 14.668 | 18.715 | 5 | 13.715 | 0.114 |
9 | 0.34 | 2.125 | 14.26 | 16.13 | 16.801 | 5 | 11.801 | 0.104 |
10 | 0.38 | 2.375 | 15.937 | 17.631 | 15.222 | 5 | 10.222 | 0.096 |
11 | 0.42 | 2.625 | 17.615 | 19.161 | 13.903 | 5 | 8.903 | 0.089 |
12 | 0.46 | 2.875 | 19.292 | 20.713 | 12.786 | 5 | 7.786 | 0.082 |
13 | 0.5 | 3.125 | 20.97 | 22.284 | 11.83 | 5 | 6.83 | 0.076 |
14 | 0.54 | 3.375 | 22.648 | 23.87 | 11.003 | 5 | 6.003 | 0.071 |
15 | 0.58 | 3.625 | 24.325 | 25.467 | 10.281 | 5 | 5.281 | 0.067 |
16 | 0.62 | 3.875 | 26.003 | 27.074 | 9.647 | 5 | 4.647 | 0.063 |
17 | 0.66 | 4.125 | 27.68 | 28.689 | 9.085 | 5 | 4.085 | 0.06 |
18 | 0.7 | 4.375 | 29.358 | 30.311 | 8.583 | 5 | 3.583 | 0.056 |
19 | 0.74 | 4.625 | 31.036 | 31.938 | 8.134 | 5 | 3.134 | 0.054 |
20 | 0.78 | 4.875 | 32.713 | 33.571 | 7.728 | 5 | 2.728 | 0.051 |
