LONDON- The Airbus A350-900 equipped with Rolls-Royce’s enhanced Trent XWB-84 EP engines has received official certification from Europe’s aviation regulator, EASA.
The Enhanced Performance capability of the Trent XWB-84 engine will deliver one percent lower fuel consumption, reducing airline operating costs and emissions. Though one percent might seem minimal, these savings accumulate significantly over an aircraft’s lifespan, especially for airlines operating multiple A350-900 aircraft.
Photo- WikipediaAirbus A350 Trent XWB-84 EP Engine Certified
The Rolls-Royce Trent XWB-84 EP evolved from the current engine powering the A350-900 with several design improvements- upgraded fan, compressor, and turbine aerodynamics along with enhanced turbine blade cooling.
This certification milestone shows the ongoing development and improvement of the A350-900 and its Trent XWB engines since entering service a decade ago.
EASA’s approval will soon be followed by FAA certification, allowing airlines worldwide to operate aircraft with this new engine variant.
Photo- WikipediaIndustry Leadership
Julien Puyou, Airbus Head of the Widebody Programme, stated that with EASA’s certification of the Trent XWB-84 EP to power the A350-900, we strengthen the aircraft’s position as the long-range leader.
“Together with our partner Rolls-Royce, this latest evolution underscores our joint commitment to continuous improvement and innovation. The Trent XWB-84 is already among the most efficient widebody engines on the market, and this enhanced version will deliver even greater performance and efficiency for our airline customers.”
Julien Puyou, Airbus Head of the Widebody Programme
Airbus has secured more than 1,300 firm orders for the A350 from over 60 customers worldwide.
Airlines constantly seek efficiencies, both inside the cabin and on the wing, making even incremental improvements valuable for both environmental impact and financial performance.
Emirates Airbus A350 | Photo: Clément AlloingTechnical Details
The Trent XWB-84 engine represents one of Rolls-Royce’s most advanced commercial aviation powerplants. Designed specifically for the Airbus A350-900, this engine delivers exceptional performance while maintaining reliability.
The engine generates 84,000 pounds of thrust during takeoff, providing ample power for the wide-body aircraft even in challenging conditions.
Rolls-Royce engineered the Trent XWB-84 with a focus on fuel efficiency from the beginning. The engine features a bypass ratio of 9.3:1, directing more air around rather than through the engine core, significantly reducing fuel consumption. This design produces substantial propulsive force while burning less fuel than previous-generation engines.
Photo: AirbusDesign
The Trent XWB-84 operates with a three-shaft architecture, a signature design element of Rolls-Royce engines. This configuration allows each compressor and turbine section to rotate at optimal speeds, maximizing efficiency across all flight phases.
The engine incorporates advanced materials throughout, including titanium-aluminum alloys and ceramic matrix composites that withstand extreme temperatures while reducing overall weight.
Maintenance costs remain lower for airlines operating the Trent XWB-84 compared to previous engine generations. The modular design allows for easier access and component replacement without removing the entire engine from the wing.
Photo: Clément AlloingEnvironmental Impact
Environmental performance stands as another key benefit of the Trent XWB-84. The engine meets and exceeds current noise and emissions regulations, with nitrogen oxide emissions substantially below regulatory requirements.
These characteristics help airlines operate more sustainably while avoiding airport noise restrictions and potential environmental penalties.
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