Fundamental considerations in the design and performance assessment of propulsive fuselage aircraft concepts

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dc.contributor.authorMoirou, Nicolas G. M.
dc.contributor.authorMutangara, Ngonidzashe E.
dc.contributor.authorSanders, Drewan S.
dc.date.accessioned2024-12-13T15:19:15Z
dc.date.available2024-12-13T15:19:15Z
dc.date.freetoread2024-12-13
dc.date.issued2024
dc.date.pubOnline2024-11-28
dc.description.abstractPropulsive fuselage aircraft complement the two under-wing turbofans of current aircraft with an embedded propulsion system within the airframe to ingest the energy-rich fuselage boundary layer. The key design features of this embedding are examined and related to an aero-propulsive performance assessment undertaken in the absolute reference frame which is believed to best evaluate these effects with intuitive physics-based interpretations. First, this study completes previous investigations on the potential for energy recovery for different fuselage slenderness ratios to characterise the aerodynamics sensitivity to morphed fuselage-tail design changes and potential performance before integrating fully circumferential propulsors. Its installation design space is then explored with macro design parameters (position, size and operating conditions) where an optimum suggests up to 11% fuel savings during cruise and up to 16% when introducing compact nacelles and re-scaling of the under-wing turbofans. Overall, this work provides valuable insights for designers and aerodynamicists on the potential performance of their concepts to meet the environmental targets of future aircraft.
dc.description.journalNameThe Aeronautical Journal
dc.description.sponsorshipThis work was conducted within the SUBLIME (Supporting Understanding of Boundary-Layer Ingestion Model Experiment) project as part of the Clean Sky 2 Joint Undertaking which has received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No. 864803.
dc.identifier.citationMoirou NGM, Mutangara NE, Sanders DS. (2024) Fundamental considerations in the design and performance assessment of propulsive fuselage aircraft concepts. The Aeronautical Journal, Available online 28 November 2024
dc.identifier.eissn2059-6464
dc.identifier.elementsID559631
dc.identifier.issn0001-9240
dc.identifier.urihttps://doi.org/10.1017/aer.2024.124
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23272
dc.languageEnglish
dc.language.isoen
dc.publisherCambridge University Press (CUP)
dc.publisher.urihttps://www.cambridge.org/core/journals/aeronautical-journal/article/fundamental-considerations-in-the-design-and-performance-assessment-of-propulsive-fuselage-aircraft-concepts/B9856C73D5F117353DCD712EC38A9F72
dc.subjectboundary layer ingestion
dc.subjectcomputational fluid dynamics
dc.subjectperformance accounting
dc.subjectpropulsive fuselage concept
dc.subject40 Engineering
dc.subject4001 Aerospace Engineering
dc.subjectAerospace & Aeronautics
dc.subject35 Commerce, management, tourism and services
dc.subject40 Engineering
dc.titleFundamental considerations in the design and performance assessment of propulsive fuselage aircraft concepts
dc.typeArticle
dc.type.subtypeArticle
dc.type.subtypeEarly Access
dcterms.dateAccepted2024-10-10

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