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Integrated Optimal Design for Hybrid Electric Powertrain of Future Aircrafts

Author

Listed:
  • Matthieu Pettes-Duler

    (Airbus ExO Alpha SAS, 31700 Blagnac, France)

  • Xavier Roboam

    (Laplace, UMR CNRS-INPT-UPS, Université de Toulouse, ENSEEIHT 2 Rue Camichel, CEDEX 07, 31071 Toulouse, France)

  • Bruno Sareni

    (Laplace, UMR CNRS-INPT-UPS, Université de Toulouse, ENSEEIHT 2 Rue Camichel, CEDEX 07, 31071 Toulouse, France)

Abstract

This paper presents the integrated optimal design of the powertrain of a hybrid regional aircraft using multidisciplinary design optimization (MDO). The sizing of the main components of the propulsion chain is performed over the flight mission under various scenarios regarding energy management strategies and technological assessments. For that purpose, a complete set of multidisciplinary surrogate models are integrated into the MDO process, taking account not only of the main electrical, thermal and mechanical aspects but also of environmental constraints such as partial discharges in electric motors regarding flight conditions. Several MDO formulations are investigated comparing local (i.e., motor mass minimization) and global optimizations (i.e., powertrain mass then fuel burn minimization at aircraft level). Results emphasize main systemic couplings showing that despite future technological progress, the series hybrid architecture is heavier than a conventional thermal aircraft. Nevertheless, thanks to the whole aircraft optimization, potential gains related to kerosene consumption can be reached, reducing the environmental footprint. The “energy gains” focused on in this paper may be added with aerodynamic gains potentially involved in more electric powertrain. This work has been carried out in the frame of the HASTECS project under the Clean Sky II program which aims at reducing CO 2 emissions and environmental impacts of the aviation sector.

Suggested Citation

  • Matthieu Pettes-Duler & Xavier Roboam & Bruno Sareni, 2022. "Integrated Optimal Design for Hybrid Electric Powertrain of Future Aircrafts," Energies, MDPI, vol. 15(18), pages 1-25, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6719-:d:914783
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    References listed on IDEAS

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    1. Julian Hoelzen & Yaolong Liu & Boris Bensmann & Christopher Winnefeld & Ali Elham & Jens Friedrichs & Richard Hanke-Rauschenbach, 2018. "Conceptual Design of Operation Strategies for Hybrid Electric Aircraft," Energies, MDPI, vol. 11(1), pages 1-26, January.
    2. Yaolong Liu & Ali Elham & Peter Horst & Martin Hepperle, 2018. "Exploring Vehicle Level Benefits of Revolutionary Technology Progress via Aircraft Design and Optimization," Energies, MDPI, vol. 11(1), pages 1-22, January.
    3. Michal Janovec & Jozef Čerňan & Filip Škultéty & Andrej Novák, 2021. "Design of Batteries for a Hybrid Propulsion System of a Training Aircraft," Energies, MDPI, vol. 15(1), pages 1-18, December.
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    Cited by:

    1. Xavier Roboam, 2023. "A Review of Powertrain Electrification for Greener Aircraft," Energies, MDPI, vol. 16(19), pages 1-36, September.

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