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Activity title

Hybrid/Electric Aero-Propulsion Systems for Military Applications

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Applied Vehicle Technology

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aeropropulsion, aircraft design, annexed technologies, architectures, costs, distributed propulsion, hybridelectric, power, signature, systems


There exists an increasing amount of international research and development emphasis on electrification of aircraft Propulsion and Power Systems (PPS). The term “hybrid-electric” refers to the adoption of integrated systems based upon advanced electrical machines, power electronics and secondary energy storage. There exist two main categories when it concerns hybridized systems solutions: (1) Non-propulsive including environmental control, flight control, landing gear, ice protection, as well as functions catering for ground manoeuvring and providing emergency power; (2) Propulsive which could allow for enhanced overall propulsion system efficiency. Greater emphasis needs to be placed upon hybrid-electric propulsion research, which serves as a natural evolutionary pathway from work being undertaken in hybridised non-propulsive architectures. Prior to 2017, the topic of hybrid-electric propulsion and ancillary technological extensions, such as distributed propulsion, has been examined/presented on an occasional basis within the AVT Panel. In 2017, a dedicated Exploratory Team designated as AVT-ET-173 Hybrid/Electric Propulsion for Airborne Vehicles (HyPAV) is examining the question as to whether this particular subject warrants further attention in the future.


The objective of this symposium is to convene an international array of scientists and engineers together with other important stakeholders with intent to cover aspects associated with the design, certification and operation of future aircraft utilising hybrid/electric and coupled aero-propulsion technologies. The context is to familiarise all participants with what technical aspects should be considered when aiming to create effective, efficient and agile NATO aerial vehicles.


The following tracks are planned for the symposium: • Hybrid/Electric Systems Architectures • Electrical Energy Storage, Power Management and Distribution • Electrical Machines and Power Electronics • Synergistic Aero-propulsion Technologies • Integrated Vehicle Design • Future Operational Requirements • Regulatory Considerations and Certification

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