Aerospace & Defense
Is a fact that Earth is entering in a space where the asteroid activity is increasing, and some meteorites that were not detected at the time have passed very close to Earth (luckily), or in the worst case hit the planet causing more than 1000 deaths (Russia incident).
Unoccupied flying vehicles have had a huge impact on the modern battlefield. The technology to fly a combat aircraft from a ground based "flight deck" thousands of miles away is happening everyday. There are issues, however, with these vehicles, especially when it involves flying aircraft over peaceful,
In general lots of research is going on about drag reduction and improving the aerodynamic efficiency of flight vehicles, by adopting various methods. The aim of the research is to perform a detailed study on the effects of surface roughness on flow over an aerofoil in the trailing edge.
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