Canadian Finishing and Coatings Manufacturing: Nov/Dec 2022 - 7

NEWS
First AeroSHARK Surface Takes Flight
A new surface technology developed by BASF and Lufthansa Technik
called AeroSHARK was applied to one of Swiss International Airlines'
Boeing 777-300ER aircraft, which took off on its first passenger flight
test drive this past fall. The fuselage and engine nacelles of the aircraft
were fitted with about 950-square-meters of what the companies are
calling riblet films, which replicate the flow-efficient properties of shark
skin to reduce drag.
The special surface structure of microscopic ribs-known as riblets-
on the AeroSHARK film reduces the frictional resistance of the aircraft's
outer skin by just over one per cent, according to calculations and flow
simulations, which also results in reduced fuel consumption and C02
emissions. For this Boeing 777, such a reduction would equate to an
annual savings of about 400 tons of kerosene and more than 1,200 tons of
carbon dioxide.
Registered as HB-JNH, the AeroSHARK modified aircraft went
through several test flights to demonstrate in detail that the modification
had no negative impact on the operational safety and handling of the
Boeing 777.
As soon as the calculated savings potential has been validated
in actual flight operations, the full-scale roll out for SWISS and
Lufthansa Cargo is planned to begin. Other Boeing 777s will receive the
modification as a part of regular maintenance. Both airlines plan to have
all of their 777-300ERs and 777Fs fitted with the surface technology,
which will make them the first passenger and cargo airlines in the world
to optimize a complete sub-fleet. Once all cargo and passenger aircrafts
are modified, Lufthansa Group will have reduced its carbon footprint by
more than 25,000 tons annually.
November/December 2022
7

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Canadian Finishing and Coatings Manufacturing: Nov/Dec 2022

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