Une nouvelle génération de Moteurs Le LEAP Aviation et Environnement Pau 7 Février 2013 CFM, CFM56, LEAP and the CFM logo are trademarks of CFM International, a 5050 joint company between Snecma (Safran group) and GE. The information in this document is CFM Proprietary Information and is disclosed in confidence. It is the property of CFM International and its parent companies, and shall not be used, disclosed to others or reproduced without the express written consent of CFM. If consent is given for reproduction in whole or in part, this notice shall appear in any such reproduction in whole or in part. The information contained in this document may also be controlled by the U.S. and French export control laws. Unauthorized export or re-export is prohibited.
LEAP : "Leading Edge in Aviation Propulsion" The New CFM Engine for Short Medium Range Aircrafts LEAP, the succession of the 'Best Seller' CFM56 2
LEAP : a CFM Engine 3
Next generation of breakthrough technologies & innovations 4
Meeting performance requirements with CFM reliability Combining technology, experience & execution for Performance Environment Reliability 5
Community Noise Footprint Reduction Current TurboFans 6
Fan module Technologies 7
Fan blades technology weight, noise and durability Diameter CFM56-5B LEAP 68in 78in 24 18 Solid titanium 3-D woven RTM composite BASE 50% less Blades count Blades Material Weight Performance impact 11 BPR without weight penalties Enabling chapter 5 noise compliance High durability Maintenance free 8
Fan techno revolutionary in this thrust class Resin Injection Ti Leading Edge 9
High pressure modules Technologies 10
HPC third-generation 3-D aero blades Leading edge design based on: Advanced computer codes Airfoil shape optimized to reduce losses Blages long-term wear modeled to reduce deterioration Current Aero 11
Twin Annular Pre-Swirl (TAPS) Combustor : Dedicated technology to lower emissions 50% NOx emissions margin vs. CAEP6 12
High-tech High Pressure Turbine maintenance cost under control 13
Low pressure turbine module Technologies 14
LPT blades simple design, ultra high efficiency Simple proven design Low speed Uncooled blades Increased performance 3D aerodynamics Multi-Stage 3D aero optimization Blades & Vanes Clocking New proven lightweight materials (TiAl) 15
Future Technologies 16
CFM s legacy 17
Composite development timeline 18
Future fuel burn reduction requires more than an engine 19
New Alternative Fuels Safran is part of national or international Research Programmes (Calin, Dream, Alfabird, Swafea, CAER, etc..) Contributes to the establishment of Alternative Fuels Roadmaps through Corac (CoFrance), ACARE (Europe), CAAFI (USA), etc.. Supports to the development of biofuels production demonstration units Contributes in evaluation and qualification of new alternative fuels through ASTM International Direct involvement or involvement via CFM including engines ground tests and flight demonstrations Illustration : usage of reports of a Continental flight with CFM56 engine in a research report to ASTM No specific change requested in Engine design 20 Corac : Conseil pour la Recherche Aéronautique Civile ACARE : Advisory Committee for Aviation Research and Innovation in Europe CAAFI : Commercial Aviation Alternative Fuels Initiative