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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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The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Apr 01, 2018

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Page 1: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

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

Page 2: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Geared Turbofan Technology Enables a Step-Change in Ultra High Bypass Propulsion

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Courtesy Pratt & Whitney

Page 3: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

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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

Page 4: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Propulsion System Fuel Burn Drivers

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Page 5: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Propulsive Efficiency Trend with Fan Pressure Ratio

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Page 6: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Geared Turbofan Technology Enables Paradigm Shifts

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Page 7: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

NASA/P&W Partnership on Geared Turbofan Technology

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Page 8: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

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GTF Emissions Reduction Goals

Page 9: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

Ultra High Bypass Technology Development Roadmap

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Page 10: The Promise And Challenges Of Ultra High Bypass Ratio ... · The Promise And Challenges Of Ultra High Bypass Ratio Engine Technology and Integration ... Geared Turbofan Technology

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Summary