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Aerospace 2018, 5(4), 123; https://doi.org/10.3390/aerospace5040123

Modeling and Investigation of a Turboprop Hybrid Electric Propulsion System

1
Department of Industrial Engineering, University of Naples “Federico II”, Via Claudio 21, 80125 Naples, Italy
2
Department of Electrical Engineering and Information Technology, University of Naples “Federico II”, Via Claudio 21, 80125 Naples, Italy
3
Centro Italiano Ricerca Aerospaziale, Via Maiorise, 81043 Capua, Italy
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 25 September 2018 / Revised: 8 November 2018 / Accepted: 17 November 2018 / Published: 21 November 2018
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Abstract

Hybrid electric propulsion in the aviation field is becoming an effective alternative propulsion technology with potential advantages, including fuel savings, lower pollution, and reduced noise emission. On the one hand, the aeroengine manufacturers are working to improve fuel consumption and reduce pollutant emissions with new combustion systems; on the other hand, much attention is given to reducing the weight of the batteries increasing the energy density. Hybrid electric propulsion systems (HEPS) can take advantage of the synergy between two technologies by utilizing both internal combustion engines (ICEs) and electric motors (EMs) together, each operating at their respective optimum conditions. In the present work, some numerical investigations were carried out by using a zero-dimensional code able to simulate the flight mission of a turboprop aircraft, comparing fuel consumption and pollutant emissions of the original engine with other two smaller gas turbines working in hybrid configuration. An algorithm has been implemented to calculate the weight of the batteries for the different configurations examined, evaluating the feasibility of the hybrid propulsion system in terms of number of non-revenue passengers. View Full-Text
Keywords: hybrid propulsion; gas turbine; modeling; propeller engine hybrid propulsion; gas turbine; modeling; propeller engine
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Cameretti, M.C.; Del Pizzo, A.; Di Noia, L.P.; Ferrara, M.; Pascarella, C. Modeling and Investigation of a Turboprop Hybrid Electric Propulsion System. Aerospace 2018, 5, 123.

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