mandag 21. september 2020

Airbus med utkast til tre null-utslipps flytyper - Airbus

 

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Airbus reveals new zero-emission concept aircraft 

#zeroe #zeroemissionsday #decarbonisation #sustainability #hydrogen

Toulouse, 21 September 2020 - Airbus has revealed three concepts for the world’s first zero-emission commercial aircraft which could enter service by 2035. These concepts each represent a different approach to achieving zero-emission flight, exploring various technology pathways and aerodynamic configurations in order to support the Company’s ambition of leading the way in the decarbonisation of the entire aviation industry.

All of these concepts rely on hydrogen as a primary power source - an option which Airbus believes holds exceptional promise as a clean aviation fuel and is likely to be a solution for aerospace and many other industries to meet their climate-neutral targets.

“This is a historic moment for the commercial aviation sector as a whole and we intend to play a leading role in the most important transition this industry has ever seen. The concepts we unveil today offer the world a glimpse of our ambition to drive a bold vision for the future of zero-emission flight,” said Guillaume Faury, Airbus CEO. “I strongly believe that the use of hydrogen - both in synthetic fuels and as a primary power source for commercial aircraft - has the potential to significantly reduce aviation's climate impact.”  

The three concepts - all codenamed “ZEROe” - for a first climate neutral zero-emission commercial aircraft include: 

 

A turbofan design (120-200 passengers) with a range of 2,000+ nautical miles, capable of operating transcontinentally and powered by a modified gas-turbine engine running on hydrogen, rather than jet fuel, through combustion. The liquid hydrogen will be stored and distributed via tanks located behind the rear pressure bulkhead.



A turboprop design (up to 100 passengers) using a turboprop engine instead of a turbofan and also powered by hydrogen combustion in modified gas-turbine engines, which would be capable of traveling more than 1,000 nautical miles, making it a perfect option for short-haul trips.



 

A “blended-wing body”design (up to 200 passengers) concept in which the wings merge with the main body of the aircraft with a range similar to that of the turbofan concept. The exceptionally wide fuselage opens up multiple options for hydrogen storage and distribution, and for cabin layout.










“These concepts will

help us explore and mature the design and layout of the world’s first climate-neutral, zero-emission commercial aircraft, which we aim to put into service by 2035,” said Guillaume Faury. “The transition to hydrogen, as the primary power source for these concept planes, will require decisive action from the entire aviation ecosystem. Together with the support from government and industrial partners we can rise up to this challenge to scale-up renewable energy and hydrogen for the sustainable future of the aviation industry.”


In order to tackle these challenges, airports will require significant hydrogen transport and refueling infrastructure to meet the needs of day-to-day operations. Support from governments will be key to meet these ambitious objectives with increased funding for research & technology, digitalisation, and mechanisms that encourage the use of sustainable fuels and the renewal of aircraft fleets to allow airlines to retire older, less environmentally friendly aircraft earlier. 

Note to editors: To evaluate and validate these new concept aircraft and assess whether they could be matured into viable future products, Airbus will be focusing its efforts on a number of technological pathways. Grazia Vittadini, Chief Technology Officer, Jean-Brice Dumont, EVP Engineering and Glenn Llewellyn, VP Head of Zero Emission Aircraft, will reveal Airbus' technology roadmap for 2020-2025 at 14:00 CEST, 21 September 2020 during a virtual event on Airbus social media channels.



Utfyllende fra CNN:

London (CNN Business)Airbus has unveiled its plans for bringing the world's first zero-emission commercial aircraft into service by 2035.

Boeing's (BA) European rival on Monday revealed three concepts that will explore different options for using hydrogen as a primary source of power to fly planes.

"This is a historic moment for the commercial aviation sector as a whole and we intend to play a leading role in the most important transition this industry has ever seen," Airbus (EADSF) CEO Guillaume Faury said in a statement.

Faury said that hydrogen, both in synthetic fuels and as a primary power source for commercial aircraft, has the potential to "significantly reduce aviation's climate impact."

Airlines and planemakers are facing growing pressure to tackle carbon emissions, with some governments tying climate crisis goals to coronavirus bailout packages. The pandemic has plunged aviation into its worst ever slump and is expected to accelerate the shift towards renewable forms of energy, as governments use the opportunity to promote a green recovery.

 Illustrasjonen øverst over

Airbus ZEROe turbofan design.

The global aviation industry has committed to cutting emissions to half their 2005 levels by 2050. In order to do this, the sector will need to rapidly reduce its reliance on crude oil-based jet fuel and turn increasingly to sustainable aviation fuels. But these are as yet largely untapped and much more expensive than conventional fuels.

Supply is also a challenge. In 2019, airlines used about 340 billion liters of jet fuel, whereas only about 50 million liters of sustainable aviation fuels were produced, Robert Boyd, who heads alternative fuels at the International Air Transport Association, recently told CNN Business.

The move by Airbus (EADSY) could mark a significant step towards making sustainable aviation fuels commercially viable. The company estimates that hydrogen has the potential to reduce aviation's carbon emissions by up to 50%.

The three ZEROe concepts unveiled by the planemaker include a turbofan, a turboprop and blended-wing body design.

 Illustrasjonen i midten

Airus ZEROe turboprop design.

The turbofan design would carry 120 to 200 passengers with a range of over 2,000 nautical miles. It will be powered by a modified gas-turbine engine running on hydrogen, rather than jet fuel, through combustion.

The turboprop design would carry up to 100 passengers and would be capable of traveling more than 1,000 nautical miles, making it suitable for short-haul trips. A blended-wing body design would carry up to 200 passengers. The wings would merge with the main body of the aircraft, which has a range similar to that of the turbofan.

 Illustrasjonen nederst

Airbus ZEROe blended-wing body design.

Airbus expects that it will take three to five years to select a concept for development, executive vice president of engineering Jean-Brice Dumont said Monday during a briefing streamed on the company's social media channels.

It expects to invest "billions" in the project, added Glenn Llewellyn, vice president of zero-emission aircraft. Llewellyn said that Airbus has already started working with airlines, energy companies and airports. "This is going to create a massive change in the energy and aviation ecosystem," he said.

The transition to hydrogen will require "decisive action from the entire aviation ecosystem," Faury said. For example, airports will require significant hydrogen transport and refueling infrastructure.

Government support will also be needed, including increased funding for research and technology, as well as mechanisms that encourage the use of sustainable aviation fuels and prompt airlines to replace less environmentally friendly planes earlier.

The European Commission is considering requiring airlines to use a minimum amount of sustainable fuels as part of proposals to reduce the environmental damage caused by aviation. Without regulatory intervention, consumption of sustainable aviation fuels is projected to increase from 0.05% of the total jet fuel demand currently to just 2.8% by 2050, it said in a recent assessment.

 


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