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dc.creatorLinić, Suzana
dc.creatorLučanin, Vojkan J.
dc.creatorŽivković, Srđan P.
dc.creatorRaković, Marko
dc.creatorRistić, Slavica S.
dc.creatorRadojković, Bojana
dc.creatorPolić, Suzana R.
dc.date.accessioned2021-02-17T15:25:56Z
dc.date.available2021-02-17T15:25:56Z
dc.date.issued2021
dc.identifier.issn1678-5878
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/4240
dc.description.abstractA multidisciplinary research method was employed with the intention to create a series of bio-inspired flattened airfoils, observe their aerodynamic characteristics, and analyse their applicability to small devices or to designs of high-speed trains, within the shortest period in the conceptual stage. A research specimen of a kingfisher, selected for biomimicry, was examined with the following methods: visual inspection, analysis of photographs, manufacturing quality control measurement with a 3D laser scanner, and microscopy. A basic multi-arc-line profile, re-engineered from the overlapped specimen shape data and based on the observations, was used for designing a series of seven derived airfoils. The aerodynamic characteristics of the bio-inspired airfoils were obtained with the panel methods at low and moderate subsonic speeds, while the small transonic difference method was used in the high-subsonic speed range. Basic and ellipse-like airfoils produce higher total drag at low and moderate velocities and higher forebody drag in the high-subsonic range when compared to derived and parabola-like airfoils. The obtained critical Mach numbers are in the range from 0.76 to 0.78, where three bionic airfoils show values equal to or smaller than the values of ellipse- and parabola-like airfoils. The profile with the shortest bio-inspired relative chord has a higher critical Mach number value than the parabola-like profile. The sonic lines above these profiles appear at close positions. The applied set of examination methods of the bio-inspired design is not time consuming and produces sufficiently good results in the conceptual stage. Therefore, a further development of unique and adjusted numerical methods and codes at pre-computational fluid dynamics run is encouraged, together with shape parameterization.sr
dc.language.isoensr
dc.publisherSpringer Nature Switzerland AG 2020sr
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35045/RS//sr
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/34028/RS//sr
dc.rightsrestrictedAccesssr
dc.sourceJournal of the Brazilian Society of Mechanical Sciences and Engineeringsr
dc.subjectAerodynamicssr
dc.subjectBionicssr
dc.subjectDesignsr
dc.subjectLaser scanningsr
dc.subjectNumerical methodsr
dc.subjectQuality measurementsr
dc.titleMultidisciplinary research method for designing and selection of bio-inspired profiles in the conceptual designing stagesr
dc.typearticlesr
dc.rights.licenseARRsr
dcterms.abstractЛучанин, Војкан Ј.; Живковић, Срђан П.; Раковић, Марко; Линић, Сузана Љ.; Радојковић, Бојана; Полић, Сузана Р.; Ристић, Славица С.;
dc.citation.volume43
dc.citation.issue1
dc.citation.spage57
dc.citation.rankM22~
dc.identifier.doi10.1007/s40430-020-02789-2
dc.identifier.scopus2-s2.0-85099408649
dc.identifier.wos000607403800001
dc.type.versionpublishedVersionsr


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