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Energies
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Advances in Aircraft Alternative Fuel Sources and Systems: Aviation Decarbonization...
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Advances in Aircraft Alternative Fuel Sources and Systems: Aviation Decarbonization and Aircraft Design

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I1: Fuel".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1257

Special Issue Editors

Dr. Ioannis Giannopoulos

E-Mail Website
Guest Editor
School of Aerospace, Transport and Manufacturing, Building 83, Cranfield University, Cranfield, Bedfordshire MK43 0AL, UK
Interests: aerospace structures; aircraft design for aviation decarbonization
Dr. David Judt

E-Mail Website
Guest Editor
Airframe Systems Design, Centre for Aeronautics, Cranfield University, Bedfordshire, UK,
Interests: aeronautical systems

Special Issue Information

Dear Colleagues,

Decarbonization of our urban, industry and transportation sectors, has been under intensive research focus for several years. There are carbon emission reduction targets articulated for the near term and distant future. Hydrogen and Sustainable Aviation Fuels are a few of a handful of new, low to no-carbon emissions solutions that will be critical for the world’s transition towards a Net Zero emission future. As part of decarbonised renewable energy systems, these novel energy sources could be a versatile replacement for high-carbon fuels used today – helping to bring down emissions in vital industrial sectors and providing flexible energy for transport.

This special issue is aimed at providing the recent insights in the technological advances related to aircraft alternative fuel sources and systems, through the technology lenses of aircraft design, with a view towards aviation decarbonization.

Topics of interest for publication include, but are not limited to:

  • Aircraft concepts and design for aviation decarbonization
  • Hydrogen, compressed or liquified
  • Hydrogen combustion
  • Sustainable Aviation Fuels, production, and usage
  • Fuel Cells for the aviation transportation sector
  • Cryogenic storage for the aviation transportation sector
  • Thermal management of alternative fuel aviation systems
  • Aviation electrification and electric propulsion using alternative fuels
  • Hybrid electric propulsion

Dr. Ioannis Giannopoulos
Dr. David Judt
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • aviation decarbonization
  • hydrogen
  • hydrogen combustion
  • sustainable Aviation Fuels
  • fuel Cells
  • cryogenic storage
  • thermal management
  • electric propulsion
  • hybrid electric propulsion
  • aviation electrification

Published Papers (1 paper)

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Research

26 pages, 9632 KiB  
Article
Impact of Figures of Merit Selection on Hybrid–Electric Regional Aircraft Design and Performance Analysis
by Karim Abu Salem, Giuseppe Palaia and Alessandro A. Quarta
Energies 2023, 16(23), 7881; https://doi.org/10.3390/en16237881 - 1 Dec 2023
Cited by 3 | Viewed by 1065
Abstract
The adoption of hybrid–electric propulsion, allowing us to partially replace fuel with batteries and to reduce aircraft in-flight emissions, represents one of the main investigated solutions to mitigate the aviation climate impact. Despite its environmental potential being appealing for a practical application, two [...] Read more.
The adoption of hybrid–electric propulsion, allowing us to partially replace fuel with batteries and to reduce aircraft in-flight emissions, represents one of the main investigated solutions to mitigate the aviation climate impact. Despite its environmental potential being appealing for a practical application, two main drawbacks limit the actual implementation of this technology: first, the low gravimetric energy density of the batteries restricts hybrid–electric aircraft payload and range capabilities; second, the production of electricity is currently not entirely based on renewable energy sources, hence a non-direct emissions budget may limit the benefit in terms of overall decarbonization. When designing hybrid–electric aircraft, even projecting its actual entry into service in the next decades, it is necessary to take these limitations into account depending on both the more reliable technological forecasts on the development of electric components and on the estimates of electricity production. A proper analysis of the figure of merits related to the operation of such an aircraft, therefore, becomes crucial in assessing the impact related to its introduction into service. In this context, trade-offs between different performance metrics may be needed to efficiently exploit the environmental benefits of such an advanced concept, while limiting the possible drawbacks coming from its utilisation. This paper provides a performance analysis of hybrid–electric aircraft through an assessment of the relevant figures of merit characterizing its operations. In particular, direct and non-direct emissions, climate impact, ground pollution, operating costs, fuel consumption, weight, and a combination of these figures of merit allow us to define a proper development perimeter in which a possible (future) hybrid–electric aircraft can express its maximum potential towards all the aspects of its utilisation. The trade-off analyses provided in this paper allow us to identify more effective paths for the actual development of hybrid–electric aircraft, highlighting the impact of the selected design variables on the performance metrics, and bringing to light also the possible related limitations. Full article
(This article belongs to the Special Issue Advances in Aircraft Alternative Fuel Sources and Systems: Aviation Decarbonization and Aircraft Design)
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