CFM56 Upgrade Programs Overview • CFM56 Technology Philosophy • CFM56 Upgrade Approach • Upgrade Program Status CFM56 Technology Philosophy CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 4 Airline Requirements • Longer time on wing • Higher engine reliability • Lower scrap rates • Lower fuel consumption • Lower noise/emissions • Lower costs CFM Addresses These Requirements with a Constant Flow of Technology CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 5 Incorporating Advanced, Proven Technology CFM56 Engine Family: Continuous Improvement CFM56-7 1997 CFM56-5B/P 1996 Generation 4 • Wide chord fan blades • Low emissions • 3-D aero 2000 Thrust (1000 pounds) 1970 •High bypass •Hydromechanical controls Generation 1 • Static composites • Containment tech • Noise reduction Generation 2 CFM56-2 CFM56-3 1984 25 30 35 CFM56-5C 1993 CFM56-5A 1988 •FADEC •Active clearance •Advanced turbine materials and coatings Generation 3 CFM56-5C/P 2003 B737-300 B737-400 B737-500 A319 A320 A340 A318 A319 A320 A321 B737-600 B737-700 B737-800 B737-900 DC-8 Military A340 Enhanced CFM56 Upgrades Approach CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 7 CFM56: Product Upgrade Packages • Objectives: - Reduced cost of ownership - Longer on-wing life - Leverage proven CFM56 technology Real Solutions to Real Customer Issues CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 8 Increasing New Engine TOW … Driven by Product Design Improvements 0 4000 8000 12000 16000 Average Hours to Shop Visit 1986 1988 1990 1992 1994 1996 Decreasing TOW with Subsequent SV’s … Opportunity to restore performance 0% 20% 40% 60% 80% 100% Percent of First Visit Capability SV #1 SV #2 SV #3 SV #4 SV #5 Identify Opportunities to Improve Time-on-wing for Mature Fleet Date-Driven Analysis CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 9 Average Time-On-Wing Increased* • 1400 Cycles for Low Thrust Engines • 1600 Cycles for Medium Thrust Engines • 2000 Cycles for High Thrust Engines 1.1% Fuel Burn improvement 50% reduction in material and repair costs of HP turbine nozzles, blades, shrouds 15°C increase in EGT margin Upgrade Benefit Equation *Assumes compatible LLP stub lives CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 10 Financial Benefits At time of kit installation • Upgrade kit will be value priced • Normal repair and new material costs would be avoided because of replacement with new upgraded parts - The investment required is the incremental cost • No impact on TAT Ongoing • Reduced number of shop visits per year due to time on wing benefit • Fuel burn savings • Reduced HP turbine material costs • One time all new hardware impact • Upgraded engines will have higher residual value CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 11 Incremental Material Cost Impact at Shop Visit New Hardware Component repair Upgrade Kit Labor Labor New Hardware % reduction C/R % reduction Overhaul w/o upgrade Overhaul w/ upgrade S/V cost $ Incremental cost Upgrade Shop Visit Cost CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 12 Current CFM56 Upgrades CFM56 Upgrades Program Status • CFM56-3 Core Upgrade • CFM56-5B Acoustic Upgrade • CFM56-5C/P Upgrade CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 14 3-D Aero Technology Insert 3-D Aero Video CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 15 New material Improves: • sealing and cooling • durability Improves: • Compressor Efficiency Hardware Change - Upgrade New Material Plus coating improvement Improves: • durability HPT Blades Enhanced design Improves: • Cooling • EGT Deterioration • Durability HPT Nozzles HPT Shrouds HPC 3D Aero Stators HPC Blades CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 16 Entry Into Service - July 2002 CFM56-3 Core Upgrade Program • 3D aero in compressor and new HPT hardware • Potential market of ~1,000 engines • Benefits: - Longer on-wing life - ~2,000 more cycles on wing - Lower operating cost - 1% SFC improvement - Lower maintenance costs - 50% lower HPT nozzles, blade and shroud repair - Lower scrap rates - Enhanced durability CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 17 Animation • 400+ hours of certification testing completed - Aeromechanical - Performance - Operability - Water ingestion - Endurance - Icing • Block test: 150 hours - High stress, high temperature - Hardware disassembled and inspected - In “Like New” condition. • Flight testing on 737 complete - Boeing completed 50 hour flight test program - Performance and operability evaluated through out the flight envelope • Certification - 2Q 2002 • EIS - July 2002 CFM56-3 Core Upgrade Program (Continued) CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 18 • CAEP Recommandations: Capter 4 - 10 EPNdB cumulative margin vs Chapter 3 limits - No exceedance allowed at any point, cumulative margin greater than 2 EPNdB at any two points - Applicable by January 1, 2006 for new and derivative aircraft • Goal: - Bring all engines to Stage III -10 EPNdB • Full engine tests underway • Certification 4th Q 2003 CFM56-5B Acoustic Program CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 19 Core chevron exhaust nozzle Improved inlet liner Swept and leaned OGV’s Increased acoustic liner area CFM56-5B Acoustic Technology CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 20 • 3-D aero HPC compressor - Developed for CFM56-5B/P • Latest HPT blade design - Integrate with current LPT • New LPT stage 1 nozzle • Benefits: - Completely interchangeable with current -5C - 1% SFC improvement - 13°C lower EGT - 10% lower maintenance costs - Maintains current CFM56-5C noise (26 EPNdB margin) - Uses the existing nacelle CFM56-5C/P Technology CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 21 CFM56-5C/P Certification Schedule • FETT November 2001 • 400+ hours of ground testing - Performance - Operability - Mechanical response - Control systems - Icing - Acoustics • 100+ hours flight testing on A340 - Begins early 2003 - Performance and operability • Cyclic endurance testing - Demonstrate durability - Beyond normal certification requirements - 3,000+ cycles • EIS on A340: 2003 Upgrade Kits Available Late 2003 CFM56 Operators Conference – May 21 - 22, 2002 CFM Proprietary Data Unauthorized Disclosure Prohibited 22 Summary • CFM56 product line has continued to improve - CFM56-3: from 6,000 hours to 17,000 hours first run - CFM56-5A: from 4,000 to 18,000 hours first run • CFM56-5B & -7 are the current state of the art - Continuing to improve durability based on operating experience • CFM56 products meet all current environmental regulations - All engines meet ICAO emissions standards - Only one CFM56 engine does not meet Stage 4 noise - Aggressive program in place to resolve this issue • Major upgrade packages are being introduced into the CFM56-3 and CFM56-5C to bring even greater value CFM Committed to Enhance Value to Support 13,000 Engines Logging 23 Million Flight Hours a Year作者: 979199501 时间: 2011-4-12 00:21:17 标题: 回复 1# 航空 的帖子
CFM56-7B TRAINING MANUAL ENGINE FAN TRIM BALANCE作者: kinran 时间: 2011-6-4 23:42:30
