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Aviation and the environment

The aviation industry's commitment to environmental sustainability is increasingly market-driven and technology-enabled. Innovations such as the Comet 4 fleet exemplify progress in fuel efficiency, resulting in significant reductions in fuel burn (20%), emissions (NOx), and noise levels while maintaining cost-effectiveness and reliability. From advanced materials like novel titanium alloys to next-gen composite fans and acoustic technologies, the future of aviation is poised to be cleaner, quieter, and more efficient. These developments promise a transformative impact on aviation by 2015 and beyond.

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Aviation and the environment

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  1. Aviation and the environment Market driven, Technology enabled

  2. Aviation’s environmental success Comet 4 100 Baseline Engine-40% 80 % of Base (Comet 4)Fuel Efficiency 60 Aircraft-70% 40 20 1980 2000 1950 1960 1970 1990 Year of Model Introduction United Nation Environmental Program http://www.grida.no/climate/ipcc/aviation/133.htm

  3. Fuel Burn 20% Emissions (NOx) 85% Noise 50% Cost of Ownership 30% Reliability 50% The next century … cleaner, quieter, efficient, affordable 3 GE – Aviation 6/6/2014

  4. 2015+ 2012 2008 Fuel burn technologiesWeight reduction & aerodynamic improvement Novel Titanium Alloys Highly loaded compressor- adaptive cycle engines Next-gencomposite fan; Open rotors Ceramic-matrix composite blade Computer optimized Low pressure turbine designs Composite Fan case Ceramic matrix composites have 1/3 the density of nickel-based alloys Highly loaded Single-stage turbine

  5. 2015+ 2008 2006 Emissions technologiesLean combustion Next generation TAPS technologies Traditional Combustor Lean burning TAPS Combustor

  6. Acoustics technologiesQuieter engines Counter-rotating fan 2015+ 2012 Splice-less inlet 2008 Chevron Nozzles Fluidic / variable geometry chevrons Turbomachinery source noise reduction Quiet TechnologyDemonstrator 2 (QTD2)

  7. 2015+ 2012 2008 Cost of ownership technologiesImproved durability and robustness Improved sensor technology Super-hydrophobiccoatings Intelligent Engine Surface treatmentsfor improved life Powder Metal Durability

  8. Technology leadership • Our heritage … right technology at the right time • Pipeline for future products … maturing tomorrow’s technologies today • Bringing technology benefits … future innovation • Developing technology for 2013 and beyond

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