National Aeronautics and Space Administration The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration Chris Hughes Ultra High Bypass Engine Technology Sub-Element Propulsion Technology Element NASA Glenn Research Center Environmentally Responsible Aviation Project Integrated Systems Research Program AIAA Aero Sciences Meeting January 4-7, 2011 www.nasa.gov
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National Aeronautics and Space Administration
The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration
Chris HughesUltra High Bypass Engine Technology Sub-ElementPropulsion Technology Element NASA Glenn Research Center
Environmentally Responsible Aviation ProjectIntegrated Systems Research Program
AIAA Aero Sciences MeetingJanuary 4-7, 2011
www.nasa.gov
Geared Turbofan Technology Enables a Step-Change in Ultra High Bypass Propulsion
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Courtesy Pratt & Whitney
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NASA’s Subsonic Transport System Level MetricsSummarizing the potential technology payoff …
…. Innovative technology for dramatically reducing noise, emissions and fuel burn
Propulsion System Fuel Burn Drivers
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Propulsive Efficiency Trend with Fan Pressure Ratio
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Geared Turbofan Technology Enables Paradigm Shifts
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NASA/P&W Partnership on Geared Turbofan Technology
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GTF Emissions Reduction Goals
Ultra High Bypass Technology Development Roadmap
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Summary
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