Methodology for Sizing and Performance Assessment of Hybrid Energy Aircraft

  • Pornet C
  • Gologan C
  • Vratny P
 et al. 
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TheStrategic ResearchandInnovationAgendaandNASAN?3 goals have setnewchallenges for the aeronautical community via declaration of dramatic efficiency improvements. Because further evolutionary improvements do not – appear to be sufficient, envisioning disruptive technologies turn out to be essential to reach the set of future targets. The design of innovative integrated energy power systems is certainly a major promising element as can be shown by the increasing interest toward hybrid energy and universally electric aircraft. The consideration of these new types of aircraft represents a new challenge for conventional aircraft sizing and performance methods. As an extension of the conventional methodsused for fuel-energy aircraft,a sizingandperformancemethodology for hybrid-energy aircraft is proposed. A design study of a battery and fuel hybrid-energy single-aisle retrofit is conducted to demonstrate the methodology and to analyze the implications of the associated new design variables on the sizing and performance. The benchmark against a conventional reference aircraft shows a potential block fuel-burn reductionup to16%for a 900 n mile off-design mission stage length (using a mix of fuel energy to electrical energy of 82∶18%). Clean sheet designs will be part of future work to assess the full potential of hybrid-energy aircraft.

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  • C. Pornet

  • C. Gologan

  • P. C. Vratny

  • A. Seitz

  • O. Schmitz

  • A. T. Isikveren

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