MDAO method and optimum designs of hybrid-electric civil airliners

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dc.contributor.authorKang, Le
dc.contributor.authorSun, Yicheng
dc.contributor.authorSmith, Howard
dc.date.accessioned2022-03-30T13:16:43Z
dc.date.available2022-03-30T13:16:43Z
dc.date.issued2022-03-17
dc.description.abstractHybrid-electric civil airliners (HECAs) are considered the forerunner of the solution of relieving aviation emissions. This paper presents a multidisciplinary design analysis and optimization (MDAO) framework named GENUS, which has been extended to design HECAs. GENUS is a modular, expandable, and flexible design environment with 10 integrated modules for HECA design. Key extensions included hybrid-electric propulsion architectures (HEPAs), the corresponding powertrains, and power management strategies (PMS). In addition, a cost module and an aviation emission tracking function were developed and integrated into GENUS. GENUS was validated for investigating the design of HECAs by evaluating existing HECA concepts. Furthermore, three conventional turbofans were hybridized within GENUS to analyze the sensitivity of the performance of engines to the degree of hybridization (DoH) of power. The effects of hybridized engines on aircraft design were evaluated based on Boeing 737, demonstrating that at least 27.18% fuel saving, 9.97% energy saving, 12.40% cost saving, and 43.56% aviation emissions migration can be achieved. Finally, the potential directions of applying GENUS to explore the design space of HECA was discussed, which is useful to maximize the benefits of HECA.en_UK
dc.identifier.citationKang L, Sun Y, Smith H. (2022) MDAO method and optimum designs of hybrid-electric civil airliners. Journal of Aerospace Engineering, Volume 3, Issue 4, July 2022en_UK
dc.identifier.issn0893-1321
dc.identifier.urihttps://doi.org/10.1061/(ASCE)AS.1943-5525.0001410
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17713
dc.language.isoenen_UK
dc.publisherAmerican Society of Civil Engineersen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectMultidisciplinary design analysis and optimisation (MDAO)en_UK
dc.subjecthybrid-electric civil airliner (HECA)en_UK
dc.subjectFuel-battery hybriden_UK
dc.subjectConceptual aircraft designen_UK
dc.titleMDAO method and optimum designs of hybrid-electric civil airlinersen_UK
dc.typeArticleen_UK

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