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Travel Radar - Aviation News > News > Aviation > Manufacturing > Airbus and CFM to Trial New “Open Fan” Engines
Manufacturing

Airbus and CFM to Trial New “Open Fan” Engines

Josh McMinn
Last updated: 17 June 2024 02:30
By Josh McMinn 3 Min Read
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This week at the Farnborough Air Show, Airbus and CFM announced they will collaborate on new “open fan” technology, which would produce 20% less CO2 than today’s most efficient engines. The companies will use the Airbus A380 as a test bench, with flight tests starting in the latter half of the decade.

Open-Fan Technology

Airbus says the new engine will be the focus of a major flight demonstration campaign to be performed in collaboration with CFM. The campaign will use shared flight assets, with Airbus providing a modified A380 and CFM providing the new engines. CFM is a joint venture between engine manufacturers Safran and General Electric (GE).

Airbus open-fan factsheet | Airbus
Open-fan factsheet | Airbus

“New propulsion technologies will play an important role in achieving aviation’s net-zero objectives, along with new aircraft designs and sustainable energy sources,” said Sabine Klauke, Airbus’ Chief Technical Officer. “By evaluating, maturing, and validating open fan engine architecture using a dedicated flight test demonstrator, we are collaboratively making yet another significant contribution to the advancement of technology bricks that will enable us to reach our industry-wide decarbonisation targets.”

Flight Tests

Before the engine can be flight tested, it must first undergo rigorous ground tests. Pascal Arrouy, Airbus’ Open Fan Architect says: “We will first need to determine the flight physics constraints, design and assessments for the flight-test demonstration engine installation. These will include: definition of the pylon ‘aero-lines’ (ie. the aerodynamics and physical geometries), assessment of loads, handling qualities and performance and preparation of modeling to support flight-test analysis.”

The aircraft and the engine must be developed in “close collaboration”, in order to meet targets for fuel efficiency and acoustics, Airbus says. “Once all these activities are complete, we will be able to move to the next phase which is the physical manufacture and assembly of the modifications to the aircraft” Arrouy explained.

An artist's impression of the open-fan engine on an A380 test bench | Airbus
An artist’s impression of the open-fan engine on an A380 test bench | Airbus

Airbus hopes to demonstrate the technology in the latter half of the decade, as part of its “Revolutionary Innovation for Sustainable Engines” (RISE) technology development programme – which aims to demonstrate range of new engine technologies that could enter service by the mid-2030s.

What are your thoughts on the open-fan engine? Let us know in the comments below!

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Josh McMinn
By Josh McMinn
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Jr Reporter - Josh is an Jr. Aviation Reporter at Travel Radar covering the latest industry news, developments and passenger experiences. Outside of reporting, Josh is a talented artist and camera operator with experience spanning several industries.
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