Electrification is seen as having an important role to play in the fossil-free aviation of tomorrow. But electric aviation is battling a trade-off dilemma: the more energy-efficient an electric ...

The high-efficiency aerodynamic and aeroacoustic optimization framework comprises the following key modules: 1) Shape parameterization, which transforms the baseline geometry into a set of design ...

This propeller was designed by the U.S. National Advisory Committee for Aeronautics (i.e. NASA’s predecessor) to reduce noise in light airplanes. The investigation was undertaken as an aid to the ...