Techno-economic review of alternative fuels and propulsion systems for the aviation sector

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Dahal, Karna,1984Chalmers tekniska högskola,Chalmers University of Technology (author)

Techno-economic review of alternative fuels and propulsion systems for the aviation sector

Article/chapterEnglish2021

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Elsevier BV,2021

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LIBRIS-ID:oai:research.chalmers.se:a537ae40-21bf-4cb3-995a-e5362e3d3088
https://doi.org/10.1016/j.rser.2021.111564DOI
https://research.chalmers.se/publication/525601URI
https://urn.kb.se/resolve?urn=urn:nbn:se:ivl:diva-3855URI

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Language:English
Summary in:English

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A2561
Substitution of conventional jet fuel with low-to zero-carbon-emitting alternative aviation fuels is vital for meeting the climate targets for aviation. It is important to understand the technical, environmental, and economic performance of alternative aviation fuels and prospective engine and propulsion technologies for future aircraft. This study reviews alternative fuels and propulsion systems, focusing on costs and technical maturity, and presents conceptual aircraft designs for different aviation fuels. The cost review includes minimum jet fuel selling price (MJFSP) for alternative aviation fuels. Direct operating cost (DOC) is estimated based on the conceptual aircraft designs and the reviewed MJFSP. The DOCs for bio-jet fuel (5.0–9.2 US cent per passenger-kilometer (¢/PAX/km)), fossil and renewable liquefied hydrogen (5.9–10.1 and 8.1–23.9 ¢/PAX/km, respectively), and electro-methane and electro-jet fuel (5.6–16.7 and 9.2–23.7 ¢/PAX/km, respectively) are higher than for conventional jet fuel (3.9–4.8 ¢/PAX/km) and liquefied natural gas (4.2–5.2 ¢/PAX/km). Overall, DOC of renewable aviation fuels is 15–500 % higher than conventional jet fuels. Among the bio-jet fuels, hydroprocessed esters and fatty acids (23–310 $/GJ) and alcohol-to-jet (4–215 $/GJ) pathways offer the lowest MJFSPs. The implementation of alternative fuels in existing aircraft engines and the design and development of appropriate propulsion systems and aircraft are challenging. The overall cost is a key factor for future implementation. Bio-jet fuel is most promising in the near term while hydrogen and electrofuels in the long term. The level of carbon tax on fossil jet fuels needed for the latter options to be competitive depend on the hydrogen production cost.

Subject headings and genre

TEKNIK OCH TEKNOLOGIER Maskinteknik Rymd- och flygteknik hsv//swe
ENGINEERING AND TECHNOLOGY Mechanical Engineering Aerospace Engineering hsv//eng
TEKNIK OCH TEKNOLOGIER Industriell bioteknik Bioenergi hsv//swe
ENGINEERING AND TECHNOLOGY Industrial Biotechnology Bioenergy hsv//eng
TEKNIK OCH TEKNOLOGIER Naturresursteknik Energisystem hsv//swe
ENGINEERING AND TECHNOLOGY Environmental Engineering Energy Systems hsv//eng
Aircraft propulsion
Cost
Biofuels
Electrofuels
Future aviation fuels
Hydrogen
Sustainable urban planning

Added entries (persons, corporate bodies, meetings, titles ...)

Brynolf, Selma,1984Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)selmab (author)
Xisto, Carlos,1984Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)xisto (author)
Hansson, Julia,1978IVL Svenska Miljöinstitutet AB,IVL Swedish Environmental Research Institute,Chalmers tekniska högskola,Chalmers University of Technology(Swepub:ivl)P010225 (author)
Grahn, Maria,1963Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)np97magr (author)
Grönstedt, Tomas,1970Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)thgr (author)
Lehtveer, Mariliis,1983Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)mariliis (author)
Chalmers tekniska högskolaIVL Svenska Miljöinstitutet AB (creator_code:org_t)

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In:Renewable and Sustainable Energy Reviews: Elsevier BV1511879-06901364-0321

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