System requirements review
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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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System requirements review

New Environmentally Responsible Design

System Requirements Review


Matt Dienhart

Alex Fickes

Dean Jones

Anthony Malito

Ricardo Mosqueda

Keyur Patel

Dustin Souza

Danielle Woehrle



Mission Statement



Concept of Operations

Design Requirements

Design Comparison

New Technologies and Advanced Concepts

Sizing Code


Mission statement

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

System requirements review


  • 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



  • 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



  • 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:

Concept of operations

Concept of Operations

  • Operational City Pairs

Reference: Centre for Asia Pacific Aviation

Concept of operations1

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

Design requirements

Design Requirements

*Reference Vehicle B737-700

Design comparison

Design Comparison


New technologies and advanced concepts

New Technologies and Advanced Concepts


  • Geared Turbofan

  • Unducted Fan (UDF)

  • Bio-Diesel

  • Trailing Edge Brushes

  • Blended Wing Body

  • Spiroid Winglets


System requirements review

New Technologies and Advanced Concepts

Dynamics & Controls

  • Fly By Wireless

  • Morphing Trailing Edge

  • Composites

  • Bonded Skin Panels


Sizing code progress

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.)



  • 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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