Abbreviations and Notation AOA angle of attack α CFD computational fluid dynamics DNW Deutsch‐Niederländische Windkanäle—German‐Dutch Wind Tunnels Drag counts 104 · cD DWG Deutsche WindGuard Engineering GmbH lift‐to‐drag Lift‐to‐Drag RatiocL/cD KKK Cryogenic Wind Tunnel at Cologne, Germany M million TI turbulence intensity RANS Reynolds averaged Navier–Stokes (equations) Re Reynolds number SEM scanning electron microscope σ standard deviation t thickness c chord αstall angle of attack where...