Investigation of the operational flexibility of a regional hybrid-electric aircraft

The complexity of hybrid-electric aircraft propulsion systems is also characterized by the greater number of degrees of freedom of the energy management system, whose objective is to split the required power to fly the aircraft to the different available powertrains (i.e., gas turbines, electric mot...

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Bibliographic Details
Published in:Journal of physics. Conference series 2023-06, Vol.2526 (1), p.12021
Main Authors: Spinelli, Andrea, Krupa, Gustavo Pedro, Kipouros, Timoleon, Berseneff, Boris, Fiette, Sébastien
Format: Article
Language:English
Subjects:
Aircraft
Aircraft propulsion
Design
Electric motors
Energy management
Energy storage
Engineering Sciences
Flexibility
Fly by wire control
Fuel cells
Gas turbines
Hybrid propulsion systems
Life cycle analysis
Mathematics
Optimization and Control
Physics
Powertrain
Propulsion system design
Propulsion system performance
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Summary:The complexity of hybrid-electric aircraft propulsion systems is also characterized by the greater number of degrees of freedom of the energy management system, whose objective is to split the required power to fly the aircraft to the different available powertrains (i.e., gas turbines, electric motors, fuel cells, etc.). Typically, a single design mission is considered for assessing the performance of a hybrid-electric propulsion system, often with a simple constant split power between the batteries and gas turbine. A probabilistic set-based design space exploration methodology is used and allows us to study the effects of lifecycle analysis of the battery pack of a hybrid-electric 50-seater turboprop, while different mission scenarios are considered. Using this approach, it is possible to flexibly find multiple families of energy management strategies that can satisfy battery capacity requirements and the reduction of emissions simultaneously. Furthermore, the generated data can help the designers to understand the hierarchy of the requirements that drive the design of the propulsion system for a range of operating scenarios, with emphasis on the energy storage system. Hence, the airliners are offered enhanced operational flexibility of the aircraft for different and desirable mission profiles.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2526/1/012021