Tech & Science SHARKSKIN technology goes to Series - Lufthansa Group and BASF

17:40  03 may  2021
17:40  03 may  2021 Source:   flugrevue.de

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Lufthansa Cargo equips all Boeing-777 freighters with "Aeroshark" from 2022 to reduce fuel consumption.

Lufthansa Cargo stattet ab 2022 alle Boeing-777-Frachter mit „AeroSHARK“ aus, um damit den Treibstoffverbrauch zu senken. © Lufthansa Technik Lufthansa Cargo Appeals from 2022 all Boeing-777 freighters with "Aeroshark" to reduce fuel consumption.

"Aeroshark" is an adhesive film that is modeled by the fine structure of shark skin. The surface structure consists of around 50 microns large ribs - the so-called riblets - with the help of which the aerodynamics are optimized on flow-relevant sites of the aircraft (that is lowered in the friction resistance). As a result, a total of less fuel is needed, so the forecast.

for use at the Ten cargo aircraft type Boeing 777f of Lufthansa Cargo, Lufthansa technik expects a friction reduction of more than one percent. Thus, annual savings of around 3700 tons of kerosene and nearly 11700 tonnes of CO2 emissions are possible. Extrapolated on the entire Lufthansa Cargo fleet, the annually saved CO2 emissions 48 individual cargo flights from Frankfurt to Shanghai, says.

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Lufthansa Technik is responsible in the cooperation with BASF the specification of the material, the air law approval as well as the implementation of the aircraft modifications, which take place in the context of regular maintenance lying times. As authorized aviation development company, the company for the B777F will acquire a Supplemental Type Certificate (STC) needed for the operation in the European Aviation Safety Agency (EASA).

The Coatings division of BASF developed the slide in its "Beyond Paint Solutions" unit. When applying in air traffic, outdoor areas are exposed, among other things, strong UV radiations as well as temperature and pressure fluctuations at large heights. BASF therefore laid the focus on extreme resilience and weather resistance during development.

Critical criteria for aviation application is a simple attachment and handling, as well as uncomplicated repairability, for which a tailor-made concept was developed.

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