Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6069
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dc.contributor.authorÇakmakcıoğlu, Samet Caka-
dc.contributor.authorBaş, Onur-
dc.contributor.authorKaynak, Ünver-
dc.date.accessioned2021-09-11T15:34:52Z-
dc.date.available2021-09-11T15:34:52Z-
dc.date.issued2018en_US
dc.identifier.issn0954-4062-
dc.identifier.issn2041-2983-
dc.identifier.urihttps://doi.org/10.1177/0954406217743537-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6069-
dc.description.abstractA correlation-based algebraic transition model that relies on local flow information is proposed. The model is qualified as an algebraic model, or a zero-equation model since it includes an intermittency function in place of an intermittency equation that is found in one- or two-equation models. The basic idea behind the model is that, instead of deriving new equations for intermittency transport, existing transport terms of the Spalart-Allmaras (S-A) turbulence model can be used. To this end, the production term of the S-A model is multiplied with the proposed intermittency function gamma(BC) thereby the turbulence production is damped until it satisfies some turbulence onset requirements. The proposed formulation also depends on local information that uses empirical correlations to detect the transition onset using less equations and less calibration constants than other higher order models. The model is first validated against some widely-used zero and variable pressure gradient flat plate test cases with quite successful results. Second, the model is employed for some low Reynolds number airfoil cases with very promising results. Third, the model is applied for a turbine cascade case with success. Finally, two different three-dimensional wing flow cases were calculated under transonic and low subsonic flow conditions. To this end, the DLR-F5 wing subject to a transonic Mach number of 0.82 and the low-speed NREL wind turbine flow case are simulated and good agreement with experiments are observed. The results indicate that the proposed model may become an alternative for other models as it uses less computational resources with equivalent or higher accuracy characteristics that is quite advantageous for the computational fluid dynamics design in industry.en_US
dc.language.isoenen_US
dc.publisherSage Publications Ltden_US
dc.relation.ispartofProceedings of The Institution of Mechanical Engineers Part C-Journal of Mechanical Engineering Scienceen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectLaminar-to-turbulent flowen_US
dc.subjectcorrelation-based transition modelen_US
dc.subjectturbulence modelen_US
dc.subjectSpalart-Allmarasen_US
dc.subjectSU2en_US
dc.subjectB-C modelen_US
dc.titleA Correlation-Based Algebraic Transition Modelen_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume232en_US
dc.identifier.issue21en_US
dc.identifier.startpage3915en_US
dc.identifier.endpage3929en_US
dc.identifier.wosWOS:000446488400010en_US
dc.identifier.scopus2-s2.0-85045464103en_US
dc.institutionauthorKaynak, Ünver-
dc.identifier.doi10.1177/0954406217743537-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ2-
item.openairetypeArticle-
item.languageiso639-1en-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
crisitem.author.dept02.7. Department of Mechanical Engineering-
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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