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An extraordinary technological effort to define propulsion systems of the future that minimise environmental impact and energy consumption

Challenge/Domain
Challenge: 
Protecting the environment and the energy supply
Domain category: 
Technology
Enabler
Enabler: 
An extraordinary technological effort to define propulsion systems of the future that minimise environmental impact and energy consumption
Cluster of enablers: 
An extraordinary technological effort to define the air vehicles of the future that minimise environmental impact and energy consumption
Capability
Capability: 
To define revolutionary propulsion system concepts that offer game changing reduction in environmental impact and energy consumption
Sub capability: 
To define novel architectures for propulsion systems that offer game changing reductions of environmental impact and energy consumption
R&I needs: 
- Develop novel propulsion system concepts and associated power management systems - Develop new concepts for electrical components, heat exchangers, noise attenuation technologies and optimized integration
Achievements
2020: 
* Power management between main propulsion and Non Propulsive energy * Variable exhaust systems (nozzles/mixers) * Electrical power boost on core engines for transient and emergency operations
2035: 
* Embeded engine : Boundary layer ingestion and drag reduction * Combined thrust and drag areas: distorsion tolerant specific fan, integrated exhaust, structural integration and certification issues * Noise Technologies for Embedded Powerplants (BWB) * Multi sources propulsion / power system and associated power management. * More electrical propulsion power : hybridation with high power density electrical component on gas turbine. * Innovative turboshafts and APU architectures for heat exchanger integration * Distributed propulsion (First application)
2050: 
* Turbine and fuel cell hybridation * More electrical propulsion power : more electrical FAN * Centralized power unit + distributed propulsion / power (Dedicated to new aircraft and rotorcraft architecture) * Reverse flow and off-center cores (distributed propulsion)
Key Performance Indicator: 
-50%(-10 EPNdB per op) in 2020 -53% (-11 EPNdB per op) in 2035 -65% (-15 EPNdB per op) in 2050 + TBD % improvement on NAP Implementation Progress Indicator

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