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 ...

These strangely-shaped twisted-loop propellers look like a revolutionary (sorry) advance for the aviation and marine sectors. Radically quieter than traditional propellers in both air and water, ...

The author sought to improve his aircraft's takeoff performance, rejecting expensive engine upgrades in favor of a more cost-effective propeller modification. He installed a larger-diameter, ...