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Robert J. Collier Trophy Nominee: X-51A WaveRider “X-51A WaveRider Team for demonstrating that sustained supersonic combustion ramjet (scramjet) powered.

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Presentation on theme: "Robert J. Collier Trophy Nominee: X-51A WaveRider “X-51A WaveRider Team for demonstrating that sustained supersonic combustion ramjet (scramjet) powered."— Presentation transcript:

1 Robert J. Collier Trophy Nominee: X-51A WaveRider “X-51A WaveRider Team for demonstrating that sustained supersonic combustion ramjet (scramjet) powered flight is possible and significantly advancing progress towards hypersonic power projection, responsive and affordable space access, and global hypersonic mobility.”

2 Hypersonic Transport Human Mobility Since , … We Are On a Trajectory to Enter the 22 nd Century at 6,000 mph … Horse Train Jetliner MPH Steam Turbofan Scramjet 2

3 Where Scramjets Fit 3 Mach 0Mach 5Mach 10 Speed Turbojets Scramjets Ramjets Efficiency Specific Impulse (Isp-sec) 0 Efficient use of fuel versus speed Rockets

4 How a Scramjet Works – Compress flow – Pre-combustion airflow stability – Supersonic air and fuel ignite, creating pressure – Expands flow to generate thrust Thermal Control– JP-7 fuel cools engine, improves combustion 4 Forebody & Inlet Isolator Combustor Nozzle Simplicity + Speed Forebody & InletIsolatorCombustorNozzle Fuel Injection Thrust Supersonic Internal Flow

5 X-51A WaveRider Design 5 Conventional Materials High Mach Thermal Protection Fuel-cooled Scramjet Engine Autonomous Precision Guidance Light Weight Structures Off The Shelf Booster An Integrated Aerospace Vehicle

6 X-51A Met All Its Objectives 6 Flight test of a scramjet engine Used hydrocarbon fuel Ignited engine and operated to fuel depletion Accelerated; showing thrust greater than drag Demonstrated flight viability of engine Acquired extensive ground and flight data Proved the practicality of a scramjet powered vehicle “The X-51 took the field from a speculative science to practical engineering” Gen Mark Welsh, Chief of Staff, USAF

7 X-51A Flight Profile Altitude ~ 60Kft Separate Off Boost Run Range = 240 nm 7 Flight 4 Data – 1 May 2013 Total Flight Time448.0 sec Boosted Flight31.0 sec Engine Start12.0 sec Scramjet Run Time212.0 sec Descent193.0 sec Max SpeedMach 5.1 Max Altitude63,500 ft Distance240.6 nm

8 Autonomy and Accuracy Longitude (deg) Latitude (deg) California Los Angeles

9 Accelerate To Fuel Depletion 9 Mach Number Mission Time (sec) Flight 4: Mach Versus Time Maneuvering Evaluation Separation Fuel Control Test Fuel Depletion

10 Ground and Flight Test Fidelity sec100 sec215 sec235 sec Flight to Ground Thrust Correlation – % Mission Time Since Launch Flight 4

11 X-51A WaveRider In Action % American Designed, Manufactured, and Flown!

12 X-51A Accomplishments First proven practical reusable scramjet engine Demonstrated sustained scramjet acceleration & thrust First to burn a conventional storable hydrocarbon fuel Demonstrated fully autonomous precision guided flight World’s first thermally balanced scramjet engine 12 X-51A Success Kick Started Follow-On Funded Programs

13 X-51A Hypersonic Vehicles Large Hypersonic Missiles/ Small Launch Systems Operationally Responsive Spacelift Scramjet Flight Begins Now… 13 SCRAMJET ENGINE TECHNOLOGY “Playing safe is probably the most unsafe thing in the world. You cannot stand still. You must go forward.” Robert J. Collier

14 14 “X-51A WaveRider Team for demonstrating that sustained supersonic combustion ramjet (scramjet) powered flight is possible and significantly advancing progress towards hypersonic power projection, responsive and affordable space access, and global hypersonic mobility.” X-51A WaveRider


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