aerion supersonic business jet faa civil supersonic aircraft panel discussion baltimore, april 21,...
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Aerion Supersonic Business Jet
FAA Civil Supersonic Aircraft Panel Discussion Baltimore, April 21, 2010
2
The Supersonic Challenge
• Supersonic business jet mission– To place a high-value team where they are needed in the
shortest possible time.
• To do this successfully requires an aircraft with– The best possible supersonic cruise efficiency– Good performance at all speeds: landing, subsonic, supersonic– Flexibility to perform both short range and long range missions– Ability to comply with all existing and proposed regulations
3
Traditional Approach
• Delta Wing adopted for supersonic cruise because of its…– Better supersonic lift-related drag (but still worse than subsonic)– Favorable wing structure and fuel arrangement
• However, it imposes severe handicaps due to...– High sweep, short span and ineffective flaps, resulting in…
• Poor low speed and transonic performance, thus…– Long runways and high angle of attack– Inability to fly below Mach 1 efficiently for overland legs– Lack of flexibility for short range operations from business airports
4
The Aerion Solution
5
Laminar Wing Concept
Unswept(laminar)
Delta(turbulent)
6
Laminar Wing Advantages
• Significantly reduces cruise fuel burn
• Uses same airports as large subsonic business jets
• Efficiently cruises just below Mach 1• Cruises below 51,000ft avoiding ozone layer
Aerion approach attitude
7
North Atlantic
Cruise at M1.60: 4:14Cruise at M0.90: 7:01
New York
Paris
When the SSBJ arrives in New York, the subsonic jet is still in the middle
of the Atlantic
SSBJ Completes the Mission ~ 40% less time
8
East Coast to Asia
Tokyo
Anchorage
New YorkLos Angeles
TEB – NRT 34kt headwind
Supersonic mission: 9:33, includes 1:00 in AnchorageSubsonic mission: 13:06 - nonstop
1 hr. stop
SSBJ Completes the Mission ~ 30% less time
9
NY-LA Mission
TEB – LAX 41kt headwind
Cruise at M = 0.98: 4:19Cruise at M = 1.10: 3:52Cruise at M = 0.90: 4:45
New York
Los Angeles
At Mach 0.98 SSBJ Completes the Mission ~ 10% less time
At Mach 1.1 SSBJ Completes the Mission ~ 19% less time
10
Sonic Boom
• FAA – Mach 1 or greater prohibited
• ICAO – “No unacceptable situation on the ground” (no or low boom)
• Aerion complies with existing regulations– Efficient flight at 0.98 Mach over US
– Boom cutoff flight ~1.15 Mach with no boom on the ground
Shock Wave
Reflected Wave
Evanescent Wave
5000 ft
Ground
11
Briefing for BombardierJune 19th, 2007
Aerion Supersonic Business Jet
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