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* Corresponding author 1 Airbus Operation S.A.S.

Abstract : This article introduces a semi-empirical model for an electric fan and a minimalistic model for a turbofan. The electric fan model provides an easy selection of optimal characteristics based on power loading. The turbofan model has provision for power extraction, and exhibit a physical behaviour. These two models allowed exploring the performance of a hybrid-electric aircraft featuring two turbofans under the wing and one electric fan at the rear of the fuselage. Associated with a proper energy management, such a hybrid aircraft may prove to be competitive if the power to weight ratio of the electric machines reaches 8 kW-kg and the energy density of the batteries reaches 540 Wh-kg.

Keywords : Modelisation Propulsion électrique Turbomachine aéronautique Propulsion Hybride

Autor: Mathieu Belleville -



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