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During the design phase, the 787 underwent extensive wind tunnel testing at Boeing's Transonic Wind Tunnel, QinetiQ's five-meter wind tunnel at Farnborough, United Kingdom, and NASA Ames Research Center's wind tunnel, as well as at the French aerodynamics research agency, ONERA. The final styling was more conservative than earlier proposals ...
The fourth production 787, a Boeing test airframe, was employed as the second ecoDemonstrator. It conducted 35 projects including: use of a 15% blend of SAF by both engines for nine flights [22] acoustic ceramic matrix composite nozzle for weight and noise reduction [23] aerodynamic and flight control improvements.
Newer aircraft like the Boeing 787 Dreamliner, Airbus A350 and Bombardier CSeries, are 20% more fuel efficient per passenger kilometre than previous generation aircraft. For the 787, this is achieved through more fuel-efficient engines and lighter composite material airframes, and also through more aerodynamic shapes, winglets , more advanced ...
These standards may range from improvements in engine efficiency and plane aerodynamics to changes to designs to reduce overall mass. ... This will include planes like Boeing's 777X and the 787 ...
PARIS/WASHINGTON/MONTREAL (Reuters) -Boeing is investigating a new quality problem with its 787 Dreamliner after discovering that hundreds of fasteners have been incorrectly installed on the ...
To generate enough lift at a given wingspan, the aircraft designer must increase wing area by lengthening the chord, thus lowering the aspect ratio. This limits the Airbus A380 to 80m wide with an aspect ratio of 7.8, while the Boeing 787 or Airbus A350 have an aspect ratio of 9.5, influencing flight economy. [9]
The FAA's airworthiness directive impacts 158 U.S.-registered airplanes and 737 airplanes worldwide and requires airlines to inspect the captain’s and first officer’s seats on 787-7, 787-9 ...
As per Boeing technical description: "the Angle of Attack (AoA) is an aerodynamic parameter that is key to understanding the limits of airplane performance. Recent accidents and incidents have resulted in new flight crew training programs, which in turn have raised interest in AoA in commercial aviation.