AIRCRAFT AND TECHNOLOGY CONCEPTS FOR AN N+3 ...

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D8.5 Airframe Technology Overview Natural Laminar Flow on Wing Bottom Active Load Alleviation Health and Usage Monitoring Lifting Body with pi-tail Reduced Secondary Structure weight Faired Undercarriage Operations Modifications: - Reduced Cruise Mach:0.72 for D8.1 and 0.74 for D8.5 - Optimized Cruise Altitude: 40,000 ft. for D8.1 and 45,000 ft. for D8.5 - Descent angle of 4º - Approach Runway Displacement Threshold Advanced Structural Materials Boundary Layer Ingestion 12
D8.5 Engine Technology Overview High Bypass Ratio Engines (BPR=20) with high efficiency small cores Advanced Engine Materials LDI Advanced Combustor Distortion Tolerant Fan Multi-segment rearward acoustic liners Variable Area Nozzle Tt4 Materials and advanced cooling 13
Page 1 and 2: AIRCRAFT AND TECHNOLOGY CONCEPTS FO
Page 3 and 4: Project Enabled by University-Indus
Page 5 and 6: Three Major Results from N+3 Progra
Page 7 and 8: D and H Series Fuel Burn for Differ
Page 9 and 10: D Series Configuration is a Key Inn
Page 11: D8 - Double Bubble Configuration wi
Page 15 and 16: Fuel burn evolution from B737-800 t
Page 17: Noise evolution from B737-800 to D8
Page 20 and 21: Improved Load/Unload Time and Airpo
Page 22 and 23: Summary • Established documented

AIRCRAFT AND TECHNOLOGY CONCEPTS FOR AN N+3 ...

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