Journal
AEROSPACE
Volume 8, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/aerospace8030061
Keywords
hybrid-electric propulsion; regional air travel; alternate airports; top-level aircraft requirements; figures of merit; aircraft design
Categories
Funding
- European Union's Horizon 2020 Research and Innovation program [875551]
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The EU's new Green Deal policy aims to make the continent climate-neutral by 2050, targeting all industries. By employing a systems engineering approach, high-level tasks can be broken down to achieve specific goals like establishing top-level aircraft requirements and performance evaluation metrics.
Recently, the new Green Deal policy initiative was presented by the European Union. The EU aims to achieve a sustainable future and be the first climate-neutral continent by 2050. It targets all of the continent's industries, meaning aviation must contribute to these changes as well. By employing a systems engineering approach, this high-level task can be split into different levels to get from the vision to the relevant system or product itself. Part of this iterative process involves the aircraft requirements, which make the goals more achievable on the system level and allow validation of whether the designed systems fulfill these requirements. Within this work, the top-level aircraft requirements (TLARs) for a hybrid-electric regional aircraft for up to 50 passengers are presented. Apart from performance requirements, other requirements, like environmental ones, are also included. To check whether these requirements are fulfilled, different reference missions were defined which challenge various extremes within the requirements. Furthermore, figures of merit are established, providing a way of validating and comparing different aircraft designs. The modular structure of these aircraft designs ensures the possibility of evaluating different architectures and adapting these figures if necessary. Moreover, different criteria can be accounted for, or their calculation methods or weighting can be changed.
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