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IT Home reported on August 20 that the aviation industry is facing the dual pressures of reducing emissions and making profits. However, for airlines, the two are not contradictory, but complementary. Reducing carbon emissions means reducing fuel consumption, thereby saving costs. Lufthansa announced that it will further optimize its aircraft fuselage to reduce fuel consumption by using special film technology that imitates shark skin.

Image source: Pixabay

According to IT Home, the aviation industry is one of the important sources of global carbon emissions, accounting for about 2.5% of the total. And because aviation emissions mainly occur at high altitudes,Its impact on climate warming could be twice that of the ground.However,The energy density of aviation fuel is extremely high, nearly 50 times that of hydrogen, ethanol or lithium-ion batteries, making it difficult to replace.。

Although synthetic carbon-based fuels have attracted much attention, they also have problems. Biofuels may lead to a reduction in arable land, while direct air capture of carbon dioxide to produce fuels such as methane consumes huge energy and is expensive, five times the cost of traditional oil extraction, and has not yet been applied on an industrial scale.

Lufthansa plans to use shark skin technology on four of its Boeing 777-200ER aircraft, joining 17 aircraft that already use the technology. The film, called AeroSHARK, mimics the scale structure of shark skin and covers the aircraft fuselage and engine nacelles, reducing friction by reducing the turbulent boundary layer. Studies have shown that sharks can reduce drag by about 10% in this way. Although the aircraft is not sailing in the water,But this technology can still reduce fuel consumption by about 1%.

Lufthansa said the upgrade is expected to be completed by March next year. Francesco Sciotino, the company's chief operating officer, said: "We take our responsibilities seriously and take all possible measures to reduce CO2 emissions in our flight operations. Although a 1% efficiency improvement does not sound like much, for long-distance flights, it can save thousands of tons of CO2 emissions each year. Although our Boeing 777-200ER is about to be retired, we are still willing to invest in this technology to get closer to our carbon reduction goals."