Özgür Yalçın

E-mail

ozyalcin@metu.edu.tr

Department

Department of Aerospace Engineering

ORCID

0000-0003-4175-2105

Scopus Author ID

57202308253

Web of Science Researcher ID

ABA-3206-2020

Aerodynamic Performance Analyses of Iced Wind Turbine Blade Profile with Transitional DDES Yalçın, Özgür; Özyörük, Yusuf; Tuncer, İsmail Hakkı (null; 2019-09-20)
Boundary Layer Transition Prediction over Wind Turbine Blade Profile through Detached Eddy Simulation Yalçın, Özgür; Özyörük, Yusuf (null; 2019-05-14) This proposed study aims at simulating slightly separated flow over the NREL S826 wind turbine blade profile with delayed detached-eddy simulation (DDES) strategy. The Reynolds number is relatively low and the angles of at...
Delayed detached-eddy simulation around NREL S826 blade section for transition prediction Yalçın, Özgür; Özyörük, Yusuf (2018-09-20) This proposed study aims at simulating slightly separated flow over the NREL S826 wind turbine blade section profile with delayed detached-eddy simulation (DDES) strategy. The Reynolds number is relatively low and the angl...
High-order detached eddy simulation of unsteady flow around NREL S826 airfoil Yalçın, Özgür; Özyörük, Yusuf (Elsevier BV, 2018-08-01) Delayed detached eddy simulation (DDES) has been a common approach for unsteady turbulent flow problems, but it has several weaknesses which limit its use to detached flows. On the other hand, some enhancements introduced ...
Noise prediction of a transonic cavity flow via shear-layer-adapted delayed detached-eddy simulation Yalçın, Özgür; Özyörük, Yusuf (2018-01-01) © 2018 by the American Institute of Aeronautics and Astronautics, Inc. All rights reserved.An open cavity flow contains a highly turbulent shear layer which separates from the upstream edge and impinges on the aft wall of ...
Shear-layer-adapted delayed detached-eddy simulation of a transonic open cavity flow Yalçın, Özgür; Özyörük, Yusuf (2017-09-20) Open (deep) cavities in aerodynamic structures contain highly turbulent and acoustic flow fields because of the aft wall impingement of the shear-layer that separates from the upstream edge of the geometry. Although delaye...
High-order detached eddy simulation of unsteady flow around NREL S826 airfoil Yalçın, Özgür; Özyörük, Yusuf (null; 2017-04-20)
HIGH ORDER NUMERICAL SIMULATIONS FOR AEROACOUSTIC PURPOSES OF WIND TURBINE BLADE SECTIONS Yalçın, Özgür; Özyörük, Yusuf (null; 2015-09-12) Sources of noise emitted from wind turbine blades are related to highly complex, three-dimensional, unsteady flow fields around them. Therefore, determination of these sources requires successful, accurate, turbulent flow ...
High order numerical simulations for aeroacoutic purposes of wind turbine blade sections Yalçın, Özgür; Özyörük, Yusuf (AIAC-2015; 2015-09-10) Sources of noise emitted from wind turbine blades are related to highly complex, three-dimensional, unsteady flow fields around them. Therefore, determination of these sources requires successful, accurate, turbulent flow ...
AKIŞ KAYNAKLI RÜZGAR TÜRBİNİ GÜRÜLTÜSÜ HESAPLAMALARI İÇİN YÜKSEK MERTEBELİ DURAĞAN OLMAYAN NAVIER STOKES ÇÖZÜCÜSÜNÜN GELİŞTİRİLMESİ Yalçın, Özgür; Özyörük, Yusuf (null; 2014-09-10) Geni¸s frekanslı aerodinamik g¨ur¨ult¨u, r¨uzgar t¨urbini g¨ur¨ult¨u bile¸senleri i¸cinde ¸cok ¨onemli yer te¸skil eder. Bu g¨ur¨ult¨uye t¨urbin palleri etrafındaki 3 boyutlu, karma¸sık ve dura˘gan olmayan akı¸slar sebep o...

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