Demonstrator of a wing inspired by nature completes wind tunnel tests

Published on: 12 April 2022
extra-performance-wing-demonstrator-x-wing-wind-tunnel

In an effort to quickly evaluate and speed the development of innovative technologies that will help the aviation sector become carbon-neutral, Airbus has finished wind tunnel testing of its eXtra Performance Wing prototype.

The eXtra Performance Wing project, launched last September, takes inspiration from nature to improve wing aerodynamics and performance that is intended to be compatible with any future aircraft configuration and propulsion system to reduce CO₂ emissions.

“The scaled demonstrator will integrate and fly breakthrough wing technologies using a remote-controlled Cessna Citation VII business jet platform in representative flight conditions,”

explained Oliver Family, Head of eXtra Performance Wing UK.

“The partly 3D-printed wind-tunnel model - expertly built by the aerodynamics team at Airbus’ low-speed, wind-tunnel facility in Bristol - is a scaled-down version of the Cessna jet, incorporating the lightweight, long-span design of the eXtra Performance Wing that will provide the emissions benefits we are striving for.”

Initially introduced at a smaller scale through another Airbus project, AlbatrossONE, which tested semi-aeroelastic hinged wings that - like the seabird - unlocked during flight when experiencing wind gusts or turbulence, the eXtra Performance Wing will also examine onboard technologies, like gust sensors, pop-up spoilers and multifunctional trailing edges, to enable the active control of the wing.

“Airbus’ state-of-the-art low-speed wind-tunnel is a fantastic way to validate our concepts before flight tests,”

added Oliver Family.

“Our computational aerodynamic analysis capability is world class, and the wind tunnel provides another valuable way to measure the performance and capabilities of the aircraft before flight testing. The technologies we have tested in the Filton wind tunnel - many inspired by biomimicry - will now be rapidly integrated for flight testing.”

The Airbus low-speed wind tunnel at Filton, near Bristol, replicates conditions similar to aircraft take-off and landing wind speeds but is also used by external organisations testing F1 cars, ship radar systems, Urban Air Mobility vehicles as well as more conventional aircraft.

The eXtra Performance Wing demonstrator is hosted within Airbus UpNext, a wholly-owned Airbus subsidiary, created to give future technologies a development fast-track by building demonstrators at speed and scale in order to evaluate, mature and validate potential new products and services that encompass radical technological breakthroughs.

Source: Airbus newsroom

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