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Fundamental Aeronautics Program Banner

FUNDAMENTAL AERONAUTICS - THE ROTARY WING PROJECT
Artist concept of a future vehicle with rotary wings.Rotary wing research includes exploring and developing tools, technologies and knowledge to enable radical improvements in rotary wing vehicles that can greatly enhance the air transportation system.

Research efforts advance technologies that increase rotorcraft speed, range and payload, and decrease noise, vibration and emissions. It will enable improved computer-based prediction methods and technologies for designing future high-speed, efficient rotorcraft of various sizes and configurations that will be viable as commercial vehicles operating in U.S. air transportation system.

For questions regarding the Rotary Wing Project, contact Susan Gorton.



The Rotary Wing Project is organized around Research Themes that articulate the longer-term, important areas of research necessary to advance the state of the art for a flight regime or discipline. Within the context of the themes, nearer-term technological capabilities necessary to help overcome national challenges in air transportation are defined as Technical Challenges (TCs).

Research Themes and Technical Challenges (TCs)
Theme TC Title TC Description
Advanced Efficient Propulsion Variable Speed Power Turbine Technology Demonstration Demonstrate 50% improvement in efficient operational capability using a Variable Speed Power Turbine concept
Advanced Efficient Propulsion Two-Speed Drive System Demonstration Demonstrate two-speed drive system with less than 2% power loss while maintaining current power-to-weight ratios
Advanced Concepts and Configurations Three Active Rotor Concepts Evaluated Quantify performance, noise and vibration benefits of three Active Rotor concepts by test and analysis
Advanced Efficient Propulsion 35% Accuracy Improvements in Computational Fluid Dynamics Demonstrate 35% improvement in accuracy of predictions for rotor loads and performance for both hover and forward flight
Rotorcraft Integration into NextGen (Longer-term TC may be identified at a later date.) " "

TECHNICAL HIGHLIGHTS
+ High-Resolution Navier-
   Stokes Code Development for
   Rotorcraft Aeromechanics


+ Combustion Powered
   Actuators (COMPACT) for
   Aerodynamic Flow Control on
   Rotorcraft Blades


+ Modeling High-Speed Civil
   Tiltrotor Transports in the Next
   Generation Airspace






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Editor: Karen Rugg
NASA Official: Tony Springer
Last Updated: April 18, 2013
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