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Published byLynn Floyd Modified over 9 years ago
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Aeronautics Technology Where NASA is going….
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Aeronautics Technology Environmentally Friendly Aircraft Smog-free No impact on global climate Noise within airport boundaries Constrain objectionable noise to within airport boundaries Minimize the contribution of air vehicles to the production of smog Minimize the impact of air vehicles on global climate
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Aeronautics Technology Air Vehicles for New Missions Space explorationEarth science Develop innovative air vehicles for science missions in the atmosphere of other planets Use innovative air vehicles to conduct autonomous earth science missions
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Aeronautics Technology Transformation of NASA Aeronautics….
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Aeronautics Technology Goal: –Demonstrate barrier-breaking vehicle concepts, beyond the scope of conventional air vehicles, that protect the Earth’s environment and enable science missions. Approach: –Develop technologies and demonstrate them in flight to provide evidence of barrier breakthroughs. Benefits: –Opens more communities to air transportation –Enables new air transportation models by doubling vehicle speed capability –Eliminates aviation pollution –Enables new science platforms
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Aeronautics Technology Demonstration Projects ZERO EMISSIONS AIRCRAFT — Demonstrate technology to enable alternative power aircraft. SUBSONIC NOISE REDUCTION — Demonstrate a 50% noise reduction compared to 1997 state of the art. SONIC BOOM MITIGATION — Demonstrate technology to enable overland supersonic flight. HIGH ALTITUDE LONG ENDURANCE (HALE) AIRCRAFT — Demonstrate a 100-day duration high-altitude, fixed wing, unmanned aircraft.
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Aeronautics Technology Environment
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Aeronautics Technology Subsonic Noise Reduction Demonstration Keep noise within airport boundaries
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Aeronautics Technology Fan Noise Reduction (Forward swept fan, porous stators, variable area fan nozzle) Jet Noise Reduction (Advanced chevrons, vortex breakdown control, offset fan flow) Baseline Continuous mold line flap and slat cove filler High Noise Regions Airframe Noise Reduction (Slats, flaps, gears) Low Noise Flight Procedures (Continuous descent approach, low noise guidance) Noise Reduction Approaches
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Aeronautics Technology Sonic Boom Reduction Demonstration
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Aeronautics Technology Sonic Boom Reduction Demonstration Defining an acceptable sonic boom level
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Shaped Sonic Boom Demonstration Modified F-5 Bottom View Profile View Predictions Demonstrate a shaped sonic boom that persists to the ground Fuselage Cross-Sections Modified F-5 F-5E Mach 1.4 32,000 feet Time Overpressure
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Aeronautics Technology First Ever Shaped Sonic Boom Recorded August 27, 2002 Signatures recorded during SSBD back- to-back data flights in the Edwards AFB supersonic flight corridor early morning Flight conditions: Mach 1.36 +, Altitude 32,000 ft F-5SSBD F-5E Design Mach 1.4
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Aeronautics Technology Key Tech Ground Demos Integrated Tech X-Plane Precursor Tech Demos EPA, ATM, Public Acceptance Testing FAA & ICAO Coordination Remove Prohibition Safe, Efficient, Quiet, Supersonic Flight Defining Demo Requirements & Approaches Identifying Techs To Overcome Barriers TechnicalRegulatoryPlanning Demonstrator Goal National Goal Data Generation Operational Experience Elements of Demonstration Plan
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Aeronautics Technology Zero Emissions Demonstration A Leap Forward in Emissions Reduction
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Aeronautics Technology Hydrogen fueled Zero CO 2 Fuel Cell Energy Conversion Zero NOx Lowest noise Electric drive High energy efficiency Maximum payoff to Goals Other technologies might achieve a 10-20% reduction in pollutants – this approach gets a 100% reduction. The zero emissions system delivers maximum benefit towards public good goals; nothing else comes close Zero Emissions Attributes
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Aeronautics Technology Science and Exploration
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Aeronautics Technology HALE ROA Demonstrations High Altitude Long Endurance Remotely Operated Aircraft
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Helios on Take-Off
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Aeronautics Technology Sub-Orbital Long Endurance Observer -SOA: Stratospheric flight demonstrated by the Helios (ERAST) flight research program capable of up to 1 day endurance. -Goal: Flexible, light weight hydrogen powered aircraft to demonstrate multi-day endurance of 14 days with 200kg payload. Global Observer -SOA: Same as above. -Goal: Flexible, light weight airframe with a regenerative fuel cell power system and light weight high efficiency solar array capable of multi-week to multi-month endurance with a 150kg payload. Global Ranger -SOA: 50 to 60K ft (Global Hawk & Predator B) -Goal: Global reach with a 48 hour endurance at 75K ft with a 1000kg payload Heavy Lifter -SOA: NASA DC-8 Airborne Science platform approximately 35k ft. -Goal: 60k+ ft carrying a 10,000kg payload with multi-week to multi-month endurance capability using advanced regenerative fuel cell power system and a solar array. High Altitude Long Endurance Remotely Operated Aircraft (HALE ROA)
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ARES Planetary Flyers
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ARES Balloon Drop Test
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