An Unmanned Aerial System (UAS) includes a ground based controller, an Unmanned Aerial Vehicle (UAV/drone), and a communication system in between the two. The UAS…
Harsh space radiation environment poses a major hurdle for deep space exploration for space exploration beyond low Earth orbit (LEO). Usually space vehicles are constructed…
Fasteners such as bolts, nuts, studs, washers and rivets, are used in innumerable structures and machines. Fastener failure has led to many costly documented failures…
In the early years of commercial air transport, the National Airspace System in the US, used by commercial airlines, comprised of controlled and uncontrolled airspace.…
Vertical takeoff and landing (VTOL) and cruise efficiency are diametrically opposed requirements for aircraft. Existing solutions require ground infrastructure, namely catapults and arresting equipment, to…
Climate models generate data that are of great value to society. Climate model outputs include retrospective analyses that model the historical state of the climate,…
Ice formation on aircraft surfaces affects performance by increasing weight, creating drag, and loss of lift. In general, icing can occur: 1) while the aircraft is…