INNOVATIVE SYNERGIES IN AIRCRAFT PROPULSION: THE CONCEPT OF HYBRID POWER SYSTEMS WITH CONTRA-ROTATING PROPELLERS

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dc.contributor.authorHazeri, Majid
dc.contributor.authorMoradkhani, Mohsen
dc.contributor.authorJafari, Javad Rashid
dc.contributor.authorAsadi, Davood
dc.date.accessioned2025-01-06T17:29:55Z
dc.date.available2025-01-06T17:29:55Z
dc.date.issued2024
dc.descriptionAnsys; et al.; Honeywell; International Gas Turbine Institute (IGTI); Rolls-Royce; Siemens
dc.description69th ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition, GT 2024 -- 24 June 2024 through 28 June 2024 -- London -- 202367
dc.description.abstractIn an era characterized by escalating emphasis on fuel economy and the mitigation of greenhouse gas emissions within the aerospace industry, this paper presents an innovative paradigm including the hybrid electric engine with contra-rotating propellers. This article unveils a pioneering technological achievement, exemplified by our patented invention registered under the identifier IB/2021/060538, which received a gold medal at the ICAN 2022 International Invention competition in Toronto, Canada, represents a noteworthy advancement in the domain of hybrid engine technology. It is imperative to acknowledge that the concept is currently in the conceptual design phase, necessitating further refinement to attain its maximum potential. The engine, characterized as a contra-rotating propeller system, engenders an efficiency gain ranging from 6% to 16% relative to single-fuel engines, with one internal combustion engine providing half of the required power and the electric motor complementing the remaining share. This innovative system comprises two distinct configurations: a system with two electric motors and one fuel engine in which one of the electric engines is used as a backup engine. In case of user preference or fuel engine failure, the backup electric is engaged in place of the fuel engine. This paradigm-shifting innovation effectively changes the conventional internal combustion engine into a multi-engine anti-torque system, facilitating augmented thrust generation while simultaneously reducing fuel consumption by an impressive margin of 40% to 60% when compared with conventional engine models. Beyond its commendable fuel efficiency, the hybrid engine is characterized by a satisfactory level of reliability. This is related to the inclusion of a backup electric motor. In addition to the internal combustion engine, supporting the system with the ability to manage system failures and maintain power output even under emergency circumstances. Notably, the fundamental concept of the contra-rotating propeller system is not entirely novel, however, our innovative approach harmoniously synchronizes two electric motors, thereby containing the advantages inherent in the contra-rotating system with the reliability attributed to electric propulsion. Copyright © 2024 by ASME.
dc.description.sponsorshipTürkiye Bilimsel ve Teknolojik Araştırma Kurumu, TÜBİTAK, (123M222); Türkiye Bilimsel ve Teknolojik Araştırma Kurumu, TÜBİTAK
dc.identifier.doi10.1115/GT2024-121815
dc.identifier.isbn978-079188792-9
dc.identifier.scopus2-s2.0-85204361113
dc.identifier.urihttps://doi.org/10.1115/GT2024-121815
dc.identifier.urihttps://hdl.handle.net/20.500.14669/1385
dc.identifier.volume1
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAmerican Society of Mechanical Engineers (ASME)
dc.relation.ispartofProceedings of the ASME Turbo Expo
dc.relation.publicationcategoryKonferans Öğesi - Uluslararası - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectContra-Rotating
dc.subjectElectric engine
dc.subjectEngine performance
dc.subjectFuel engine
dc.subjectHybrid motor
dc.subjectPropeller engines
dc.titleINNOVATIVE SYNERGIES IN AIRCRAFT PROPULSION: THE CONCEPT OF HYBRID POWER SYSTEMS WITH CONTRA-ROTATING PROPELLERS
dc.typeConference Object

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