Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/6594
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dc.contributor.authorUzol, Nilay Sezer-
dc.contributor.authorUzol, Oğuz-
dc.date.accessioned2021-09-11T15:42:56Z-
dc.date.available2021-09-11T15:42:56Z-
dc.date.issued2013en_US
dc.identifier.issn1095-4244-
dc.identifier.issn1099-1824-
dc.identifier.urihttps://doi.org/10.1002/we.514-
dc.identifier.urihttps://hdl.handle.net/20.500.11851/6594-
dc.description.abstractThis paper presents an investigation of the effect of steady and transient free-stream wind shear on the wake structure and performance characteristics of a horizontal axis wind turbine rotor. A new three-dimensional unsteady vortex-panel method potential flow solver based on a free-vortex wake methodology, AeroSIM+, is used for this purpose. The code is validated using the experimental data from the National Renewable Energy Laboratory Unsteady Aerodynamics Experiments. The effects of vortex core model, core size, expansion, and filament stretching on torque and thrust predictions are investigated. Three-different wind shear cases, i.e., uniform inflow (no wind shear), steady vertical wind shear that uses a power law velocity profile (Normal Wind Profile, NWP) and transient Extreme Wind Shear (EWS), are investigated. The results show that the existence of wind shear can create a very complex wake structure with substantial asymmetries, streamwise vorticity generation, and non-periodicities downstream of the turbine rotor. In addition, the blades are subjected to asymmetrical surface pressure variations that in turn result in high amplitude fluctuations in power and thrust levels generated by the turbine. Copyright (C) 2011 John Wiley & Sons, Ltd.en_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofWind Energyen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectwindshearen_US
dc.subjectgusten_US
dc.subjectHAWTen_US
dc.subjecthorizontal axis wind turbineen_US
dc.subjectfreewakeen_US
dc.titleEffect of steady and transient wind shear on the wake structure and performance of a horizontal axis wind turbine rotor [Article]en_US
dc.typeArticleen_US
dc.departmentFaculties, Faculty of Engineering, Department of Mechanical Engineeringen_US
dc.departmentFakülteler, Mühendislik Fakültesi, Makine Mühendisliği Bölümütr_TR
dc.identifier.volume16en_US
dc.identifier.issue1en_US
dc.identifier.startpage1en_US
dc.identifier.endpage17en_US
dc.authorid0000-0002-0553-2853-
dc.identifier.wosWOS:000313895800001en_US
dc.identifier.scopus2-s2.0-84872896292en_US
dc.institutionauthorSezer Uzol, Nilay-
dc.identifier.doi10.1002/we.514-
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ1-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
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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