Research Article
Effect of Reynolds Number on Aerodynamics of Airfoil with Gurney Flap
Table 5
Decrement in lift-to-drag ratio per every 10,000 decrease in Reynolds number for different ranges of Reynolds number.
| Reynolds number range | AoA, | to | to | to | to | to |
| | | | | | | 4° | | | | | | Without GF | 0.262 | 0.454 | 0.595 | 0.793 | 1.161 | With GF | 0.255 | 0.483 | 0.663 | 0.990 | 1.551 | 8° | | | | | | Without GF | 0.386 | 0.641 | 0.824 | 1.095 | 1.552 | With GF | 0.317 | 0.551 | 0.734 | 0.987 | 1.465 | 12° | | | | | | Without GF | 0.375 | 0.572 | 0.698 | 0.910 | 1.256 | With GF | 0.363 | 0.512 | 0.593 | 0.710 | 0.910 |
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