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Tobias Graf, Robin Fonk, Christiane Bauer, Josef Kallo and Caroline Willich
The climate impact of aviation can be reduced using powertrains based on hydrogen fuel cells and batteries. Combining both technologies in a direct-hybrid without a DC/DC converter is a promising approach for light-weight systems. Depending on the power ...
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Nicolas Moebs, Dominik Eisenhut, Evert Windels, Jenny van der Pols and Andreas Strohmayer
In the wake of many climate-friendly initiatives, the aviation sector must become more sustainable. A potential path for regional airliners could be the installation of hybrid-electric powertrains. In this work, a conceptual study design of various power...
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Stanislav Karpuk and Ali Elham
The feasibility of regional electric aviation to reduce environmental impact highly depends on technological advancements of energy storage techniques, available battery energy density, and high-power electric motor technologies. However, novel airframe ...
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Smruti Sahoo, Xin Zhao and Konstantinos Kyprianidis
Electrification of the propulsion system has opened the door to a new paradigm of propulsion system configurations and novel aircraft designs, which was never envisioned before. Despite lofty promises, the concept must overcome the design and sizing chal...
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Thomas Planès, Scott Delbecq, Valérie Pommier-Budinger and Emmanuel Bénard
The aircraft environmental control system (ECS) is the second-highest fuel consumer system, behind the propulsion system. To reduce fuel consumption, one research direction intends to replace conventional aircraft with more electric aircraft. Thus, new e...
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Vijesh Mohan, Andrew K. Jeyaraj and Susan Liscouët-Hanke
System integration is one of the key challenges to bringing future hybrid-electric and all-electric aircraft into the market. In addition, retrofitting and redesigning existing aircraft are potential paths toward achieving hybrid and all-electric flight,...
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Lorenzo Trainelli, Francesco Salucci, Carlo E. D. Riboldi, Alberto Rolando and Federico Bigoni
The adoption of hybrid-electric aircraft is expected to have a considerable impact on airport operations, with the need of new infrastructural requirements to support electric-powered fleets. In particular, battery-charging requirements shall play a deci...
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Liviu Sevastian Bocii, Luigi Pio Di Noia and Renato Rizzo
The possibility of realizing full electric or hybrid electric propulsion for aircraft has been considered due to the constant growth in the use of electric technologies in aircraft and the availability of high-power-density electrical machines and conver...
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Rainer Schnell, Xin Zhao, Efthymios Rallis, Mavroudis Kavvalos, Smruti Sahoo, Markus Schnoes and Konstantinos Kyprianidis
In this paper, a turbo-electric propulsion system was analyzed, and its performance was assessed. The aircraft considered here was a single-aisle, medium-range configuration targeting a capacity of 150 Pax. The propulsion concept comprised two boosted ge...
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Tim Smith, Michele Trancossi, Dean Vucinic, Chris Bingham and Paul Stewart
A new class of the all electric airship to globally transport both passengers and freight using a ?feeder-cruiser? concept, and powered by renewable electric energy, is considered. Specific focus is given to photo-electric harvesting as the primary energ...
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Osita Ugwueze, Thomas Statheros, Nadjim Horri, Michael A. Bromfield and Jules Simo
This paper presents the development of a robust sizing method to efficiently estimate and compare key performance parameters in the conceptual design stage for the two main classes of fully electric vertical take-off and landing (eVTOL) aircraft, the pow...
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Victor Alulema, Esteban Valencia, Edgar Cando, Victor Hidalgo and Dario Rodriguez
Despite the increasing demand of Unmanned Aerial Vehicles (UAVs) for a wide range of civil applications, there are few methodologies for their initial sizing. Nowadays, classical methods, mainly developed for transport aircraft, have been adapted to UAVs...
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