Research Article
Effect of Gurney Flap Geometry on a S809 Airfoil
Table 2
Effect of GF geometry shapes on the lift-to-drag ratio for the S809 airfoil.
| | AoA | GF_W10_A | GF_W10_B | GF_W10_C |
| | 1.03° | 51.39% | 57.28% | 63.03% | | 3.04° | 16.19% | 18.85% | 21.65% | | 5.15° | 5.34% | 7.25% | 8.54% | | 7.1° | 1.22% | 2.34% | 3.69% | | 9.27° | -13.78% | -9.1% | -13.76% | | 11.27° | -17.18% | -16.91% | -16.45% |
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