Environmental Design Space Assessment of Continuous Lower Energy Emissions and Noise (CLEEN) Technologies
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2018-03-01
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Edition:Project 36 Final Report
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Abstract:The Federal Aviation Administration (FAA) is pursuing the development of Continuous Lower Energy, Emissions and Noise (CLEEN) technologies for civil subsonic jet airplanes to help achieve the Next Generation Air Transportation System (NextGen) goals. These goals are to reduce significant community noise and air quality emissions impacts in absolute terms and limit the impact of aircraft CO₂ emissions on the global climate by achieving carbon neutral growth by 2020 compared to 2005, thereby allowing sustained aviation growth. The objectives of this project leverage the research conducted under the Environmental Design Space (EDS) development program (PARTNER Project 14) and the National Aeronautics and Space Administration (NASA), to use EDS to independently model and assess the benefits of the technologies being developed under the CLEEN Program. EDS has been jointly developed by NASA and FAA and has been used to assess a wide variety of both conventional and advanced technology configurations. The project focused on six primary elements: (1) public domain aircraft technology modeling (Phase I); (2) proprietary CLEEN aircraft technology modeling (Phase II); (3) vehicle level assessments of fuel burn, noise, and NOx incorporating these technologies; (4) fleet-level assessments of fuel burn and NOx using vehicles with these technologies; (5) development of an Excel-based technology dashboard for use at the FAA; and (6) examining historical trends in aircraft technology. The most significant outcome of this work was vehicle and fleet-level benefit assessments of the CLEEN aircraft technologies with regards to fuel burn, NOx emissions, and noise. Additionally, the Excel-based dashboard that was developed provides FAA with an in-house capability beyond the conclusion of this project to quickly assess combinations of these technologies and their benefits.
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Content Notes:The Partnership for AiR Transportation Noise and Emissions Reduction — PARTNER —
is a cooperative aviation research organization, and an FAA/NASA/Transport Canada sponsored
Center of Excellence.
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