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Recent Advances in Boundary Layer Ingestion Technology of Evolving Powertrain Systems
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- Diamantidou, Eirini (author)
- Mälardalens universitet,Framtidens energi
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- Hosain, M. L. (author)
- Hitachi Energy, Västerås, 72226, Sweden
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- Kyprianidis, Konstantinos (author)
- Mälardalens universitet,Framtidens energi
- (creator_code:org_t)
- 2022-02-02
- 2022
- English.
- In: Sustainability. - : MDPI. - 2071-1050. ; 14:3
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The increasing environmental concern during the last years is driving the research community towards reducing aviation’s environmental impact. Several strict goals set by various aviation organizations shifted the research focus towards more efficient and environmentally friendly aircraft concepts. Boundary Layer Ingestion (BLI) is currently investigated as a potential technology to achieve different design goals such as energy efficiency improvement and noise emission reductions in the next generation of commercial aircraft. The technology principle is to place the propulsive unit within the boundary layer generated by the airframe body. Although several studies showed its theoretical benefits, a multidisciplinary nature is introduced in the design phase. This imposes new challenges on the current design tools. An increasing number of publications are focusing on assessing this technology while taking into account interlinks between different disciplines. The goal of this work is to review the current state-of-the-art of BLI evaluation studies. Particular focus is given to the underlying assumptions of each work, the methodology employed, and the level of fidelity of the tools used. By organizing the available work in a comprehensive manner, the up-to-date results are interpreted. The current trends and trade-offs emerging from studies are presented. Through reviewing the ongoing published work, the next steps for further development of the methods that will assess this technology are derived.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
Keyword
- Aerodynamics
- Boundary layer ingestion (BLI)
- Engine–airframe interaction
- Propulsion
- System level assessment
Publication and Content Type
- ref (subject category)
- art (subject category)
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