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Hydrogen-Powered Ultralight Training Aircraft — A Systems Engineering Approach Cover

Hydrogen-Powered Ultralight Training Aircraft — A Systems Engineering Approach

Transactions on Aerospace Research
Volume 2025 (2025): Issue 2 (June 2025)
By: Sebastian Piotr Kuk  
Open Access
|Jun 2025

Figures & Tables

Fig. 1.

Relative specific fuel consumption for aircraft engines, plotted against certification year [8].
Relative specific fuel consumption for aircraft engines, plotted against certification year [8].

Fig. 2.

Conventional vs. hydrogen-electric airplane propulsion systems.
Conventional vs. hydrogen-electric airplane propulsion systems.

Energy density comparison of different fuels_

FuelEnergy Density [MJ/kg]Energy Volumetric Density [MJ/liter]
Hydrogen (Gas at 1 bar)1200.1
Hydrogen (Gas at 300 bar)1203.03
Hydrogen (Gas at 600 bar)1206.06
Hydrogen (Liquid)1208.49
Jet-A Fuel4534
Gasoline4431.5
Diesel4635
Ethanol28.820
DOI: https://doi.org/10.2478/tar-2025-0006 | Journal eISSN: 2545-2835
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Language: English
Page range: 1 - 17
Submitted on: Apr 7, 2025
Accepted on: May 9, 2025
Published on: Jun 30, 2025
Published by: ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
electric flight,
hydrogen airplane,
ultralight,
training airplane,
systems engineering
Related subjects:
Engineering,
Introductions and overviews,
Engineering, other,
Geosciences,
Geosciences, other,
Materials sciences,
Materials sciences, other,
Physics,
Physics, other

© 2025 Sebastian Piotr Kuk, published by ŁUKASIEWICZ RESEARCH NETWORK – INSTITUTE OF AVIATION
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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