Airbus completes wind tunnel testing of eXtra Performance Wing demonstrator

The nature-inspired wing demonstrator has completed wind-tunnel tests ©Airbus

Airbus has completed wind tunnel testing of its eXtra Performance Wing demonstrator in its quest to quickly test and accelerate new technologies that will decarbonise the aviation industry.

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.

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.

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