Aerion Supersonic Business Jet · Aerion’Brief’*’FAAConference 2 Supersonic Design Dichotomy...
Transcript of Aerion Supersonic Business Jet · Aerion’Brief’*’FAAConference 2 Supersonic Design Dichotomy...
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Aerion Supersonic Business Jet Environment-Driven Technology
FAA Conference on Supersonic Noise and Research
Washington, DC, July 14, 2011
Richard R. Tracy Chief Technology Officer
Aerion Corporation
7/14/11 1 Aerion Brief - FAA Conference
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Aerion Brief -‐ FAA Conference 2
Supersonic Design Dichotomy
• Two approaches to civil supersonic flight:
• Low sonic boom is the primary goal of most programs
• Maximum fuel efficiency and operatinal flexibility are Aerion goals, with boom reduction secondary
• FAA and ICAO require compliance in either case with airport noise and engine emissions regulations
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Aerion Brief -‐ FAA Conference 3
Aerion Design Criteria
• Best possible supersonic cruise efficiency & range
• Equal or greater range at high subsonic speed
• Current production proven engine and systems
• Operationally similar to subsonic aircraft
• Mach 1.6 minimizes technical and business risk
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Aerion Brief - FAA Conference 4
Sonic Boom Approaches
• Low Boom – Some time savings over populated areas – Pending “low boom” regulations and design technology
• No Boom – Maximize cruise range and efficiency – Meet all current regulations (sonic boom, noise, emissions) – Supersonic “boom cutoff” overland, when permitted
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Aerion Brief -‐ FAA Conference 5
“Boom Cutoff” Over Populated Areas
• Current – FAA: Mach 1 or less over U.S.A. – ICAO: “No unacceptable situation on the ground” (no boom?)
• Aerion complies with both rules – Efficient subsonic flight over US – No boom at Mach 1.1+ where permitted
Shock Wave
Reflected Wave
Evanescent Wave
5000 ft
Ground
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Aerion Brief -‐ FAA Conference 6
Traditional Approach
• Delta Wing – Lower lift-related drag at supersonic cruise – High sweep, short span and less effective flaps
• Result – Longer runways and high angle of attack – Less efficient at SS cruise and high subsonic speed
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Aerion Technology
• Laminar Flow Wing – Lower overall supersonic drag – Low sweep and powerful flaps
• Additional Benefits – Shorter runways and flat approach – More efficient subsonic cruise
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Aerion Brief -‐ FAA Conference 8
Laminar Flow Valida>on
• F-15 tests at NASA Dryden 1999-08 • Full-chord natural laminar flow (NLF) • New F-15 tests underway since 2010
• Flow calibration and larger surface
• European Transonic Wind Tunnel (ETW)
• Achieved full chord NLF to 30 million Reynolds no.
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Design Overview
7/14/11 9 Aerion Brief -‐ FAA Conference
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Aerion Brief - FAA Conference 10
Major Systems
ECS
Avionics & Fly-By-Wire
Flight Control Systems
Fuel Tanks
Fuel Tank
Engines APU
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Aerion Brief -‐ FAA Conference 11
Interior
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Performance
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Aerion Brief -‐ FAA Conference 13
Supersonic Overland: NY-‐LA Mission
TEB – LAX 41kt headwind
G-V at M=0.85: 5:00 Aerion at M=0.98: 4:19 Aerion at M=1.10: 3:52
New York
Los Angeles
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Aerion Brief - FAA Conference 14
Range
Long range SS Cruise Subsonic Cruise
Boom Cutoff Cruise
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Aerion Brief -‐ FAA Conference 15
Economics
Operating Expense per NM, 550 hrs/yr Utilization *
* Data from Business & Commercial Aviation 2006 Operations Planning Guide
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Aerion Brief - FAA Conference 16
Conclusions
• Aerion SSBJ offers economics, operating characteristics and flexibility on par with current subsonic aircraft
• Maximum efficiency sub- and supersonic cruise results from NLF wing
• Complies with all regulations and reduces program risk
• Can be first to market
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Aerion Brief - FAA Conference 17
The Virtuous Circle
• Minimum SSBJ environmental impact :
NLF
Low Drag Airframe
Less
Required
Thrust
Smaller Engine
Lower Fuel Burn
SSBJ
Lowest Environmental
impact
No Boom Overland Flight
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Aerion Supersonic = Quiet, Clean and Economical
7/14/11 18 Aerion Brief -‐ FAA Conference