You might have seen semi-trucks with tiny Airtabs lining their body and trailer. These are for more than just show; they also provide great improvements.

Aerodynamic characteristics around the fifth wheel and the trailer’s rear are difficult to manage. The trailer gap is a necessary open space that allows for full articulation as the rig maneuvers in ...

Jetstar recently announced that from February 2024, new Airbus A321 planes equipped with “vortex generators” would be used over Brisbane to reduce aircraft noise, while its older A320 fleet would be ...

The PBG group of Department of physics, Fudan University, recently proposed a method using a reflective photonic crystal slab to generate vortex with high conversion efficiency and without an ...