Reprint of : Energy demand comparison for carbon-neutral flight

IF 11.5 1区 工程技术 Q1 ENGINEERING, AEROSPACE Progress in Aerospace Sciences Pub Date : 2025-02-01 DOI:10.1016/j.paerosci.2025.101084
Eytan J. Adler, Joaquim R.R.A. Martins
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引用次数: 0

Abstract

Aviation’s emissions are among the hardest to eliminate. There are a handful of solutions: battery-electric propulsion, hydrogen fuel cells, hydrogen combustion, and synthetic hydrocarbon fuel produced with carbon from the air. All of these solutions rely on renewable electricity, a resource that will be in short supply as other industries use it to decarbonize. Depending on the flight distance and speed, some carbon-neutral aircraft types demand less renewable electricity, while others are infeasible. Previous work focuses on the cost and climate impact of these alternative fuels and their effects on individual aircraft designs, but not when each solution is viable. We determine the cruise speed and flight range limitations of each. We find that battery-electric aircraft are the most efficient option for short flights, and a combination of hydrogen combustion and fuel cell aircraft are most efficient when batteries are too heavy. We also show that battery and fuel cell technology improvements could enable them to serve all missions. Determining the potential and limitations of different sustainable aircraft enables future efforts to focus on the most impactful technologies.
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来源期刊
Progress in Aerospace Sciences
Progress in Aerospace Sciences 工程技术-工程:宇航
CiteScore
20.20
自引率
3.10%
发文量
41
审稿时长
5 months
期刊介绍: "Progress in Aerospace Sciences" is a prestigious international review journal focusing on research in aerospace sciences and its applications in research organizations, industry, and universities. The journal aims to appeal to a wide range of readers and provide valuable information. The primary content of the journal consists of specially commissioned review articles. These articles serve to collate the latest advancements in the expansive field of aerospace sciences. Unlike other journals, there are no restrictions on the length of papers. Authors are encouraged to furnish specialist readers with a clear and concise summary of recent work, while also providing enough detail for general aerospace readers to stay updated on developments in fields beyond their own expertise.
期刊最新文献
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