Improving the operating efficiency of the more electric aircraft concept through optimised flight procedures

SERESINHE, Ravinka, LAWSON, Craig and MADANI, Irfan (2019). Improving the operating efficiency of the more electric aircraft concept through optimised flight procedures. CEAS aeronautical journal, 10 (2), 463-478.

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Official URL: https://link.springer.com/article/10.1007/s13272-0...
Open Access URL: https://link.springer.com/content/pdf/10.1007%2Fs1... (Published version)
Link to published version:: https://doi.org/10.1007/s13272-018-0327-y
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    Abstract

    The increasing awareness of the environmental risks and costs due to the growing demand in aviation has prompted both academic and industrial research into short-term and long-term technologies which could help address the challenges. Among these, the more electric aircraft has been identified as a key design concept which would make aircraft more environmentally friendly and cost effective in the long run. Moreover, the notion of free-flight and optimised trajectories has been identified as a key operational concept which would help curb the environmental effects of aircraft as well as reduce overall costs. The research in this paper presents a methodology in which these two concepts can be coupled to study the benefits of more electric aircraft (MEA) flying optimised trajectories. A wide range of issues from aircraft performance, engine performance, airframe systems operation, power off-take penalties, emission modelling, optimisation algorithms and optimisation frameworks has been addressed throughout the study. The case study is based on a popular short haul flight between London Heathrow and Amsterdam Schiphol. The culmination of the study establishes the advantage of the MEA over conventional aircraft and also addresses the enhanced approach to the classical aircraft trajectory optimisation problem. The study shows that the operation procedures to achieve a minimum fuel burn are significantly different for a conventional aircraft and MEA. Trajectory optimisation reduced the fuel burn by 17.4% for the conventional aircraft and 12.2% for the more electric compared to the respective baseline cases. Within the constraints of the study, the minimum fuel burn trajectory for the MEA consumed 9.9% less fuel than the minimum fuel burn trajectory for the conventional aircraft.

    Item Type: Article
    Identification Number: https://doi.org/10.1007/s13272-018-0327-y
    Page Range: 463-478
    SWORD Depositor: Symplectic Elements
    Depositing User: Symplectic Elements
    Date Deposited: 24 Jul 2019 11:32
    Last Modified: 24 Jul 2019 11:45
    URI: http://shura.shu.ac.uk/id/eprint/24879

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