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System Requirements Review

New Environmentally Responsible Design. System Requirements Review. Nayanapriya Bohidar. Matt Dienhart. Alex Fickes. Dean Jones. Anthony Malito. Ricardo Mosqueda. Keyur Patel. Dustin Souza. Danielle Woehrle. Outline. Mission Statement Market Competition Concept of Operations

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System Requirements Review

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  1. New Environmentally Responsible Design System Requirements Review NayanapriyaBohidar Matt Dienhart Alex Fickes Dean Jones Anthony Malito Ricardo Mosqueda Keyur Patel Dustin Souza Danielle Woehrle

  2. Outline Mission Statement Market Competition Concept of Operations Design Requirements Design Comparison New Technologies and Advanced Concepts Sizing Code Summary

  3. Mission Statement To design an environmentally responsible aircraft for the twin aisle commercial transport market with a capacity of 300+ passengers, NASA’s N+2 capabilities, and an entry date of 2020-2025. • NASA’s N+2 technology benefits include: • Reducing cumulative noise by 42dB below Stage 4 • Reducing take-off and landing NOx emissions to 75% below CAEP6 levels • Reducing fuel burn by 50% relative to “large twin-aisle performance” (777-200LR) • Reducing field length by 50% relative to the • large twin-aisle

  4. Market • Twin-aisle aircraft represent the fastest-growing market segment • Growth fueled by emerging economies (Asia-Pacific, Latin America, Middle East, etc.) Image Source: Boeing Market Forecast

  5. Customers • Asia-Pacific, Middle East, Latin America • Low Cost Carriers (LCC’s) • Passengers looking for cheap hub-to-hub and nonstop flights • Airliners looking for high capacity aircraft to meet increasing market demand

  6. Competition • High-Speed Rail Systems • Boeing 737, Airbus A319 Map of proposed high-speed rail systems in China, along with estimated travel times from Beijing Image Source: www.hasea.com

  7. Concept of Operations • Operational City Pairs Reference: Centre for Asia Pacific Aviation

  8. Concept of Operations • Design Mission • 400 Passengers (Max Payload) • 4,000 nmi Range (Tokyo-NHD to New Delhi-DEL: 3,200nmi) • Runway Length • 8,300 ft (Takeoff) 200 nmi 4000 nmi

  9. Design Requirements *Reference Vehicle B737-700

  10. Design Comparison Reference: Boeing.com

  11. New Technologies and Advanced Concepts PROPULSION • Geared Turbofan • Unducted Fan (UDF) • Bio-Diesel • Trailing Edge Brushes • Blended Wing Body • Spiroid Winglets AERODYNAMICS

  12. New Technologies and Advanced Concepts Dynamics & Controls • Fly By Wireless • Morphing Trailing Edge • Composites • Bonded Skin Panels Structures

  13. Sizing Code Progress • We used three sizing codes: • Simple – Incorporates design mission range, (L/D)max and number of passengers • Initial – Incorporates all of the above in addition to T/W and W0/S ratios. • MATLAB – Incorporates all of the above and the entire design mission (i.e. loiter time, emergency landing etc.)

  14. Summary • Market forecasts predict a need for higher capacity aircraft to fly heavily trafficked routes • 400 passenger, 4000 nmi range, N+2 compliant aircraft scheduled for deployment in 2020-2025 • Next Steps • Constraint Analysis • Sizing code refinement • Acquire Propulsion systems data • Preliminary wing design

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