![]() ![]() A key element of the high-lift design philosophy was to make use of a concave pressure recovery with aft loading. The airfoil demonstrates the rather dramatic gains in Cl,max over those airfoils previously used for high-lift low Reynolds number applications.ĪB - A new high-lift airfoil design philosophy has been developed and experimentally validated through wind-tunnel tests. With vortex generators and a 1 % chord Gurney flap (used separately), the Cl,max increased to 2.3. In wind-tunnel tests, the new airfoil yielded a maximum lift coefficient of 2.2. Three codes for airfoil design and analysis (PROFOIL, the Eppler code, and ISES) were used to design the example S1223 high-lift airfoil for a Reynolds number of 2 × 105. N2 - A new high-lift airfoil design philosophy has been developed and experimentally validated through wind-tunnel tests. T1 - High-lift low Reynolds number airfoil design ![]()
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