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Title: 2-D and 3-D CFD Investigation of NREL S826 Airfoil at Low Reynolds Numbers
Authors: Çakmakcıoğlu, S. C.
Sert, İ. O.
Tuğluk, O.
Sezer, Uzol, N.
Keywords: [No Keywords]
Issue Date: 2014
Publisher: IOP Publishing Ltd
Source: 5th Science of Making Torque from Wind Conference -- JUN 18-20, 2014 -- Tech Univ Denmark, Copenhagen, DENMARK
Series/Report no.: Journal of Physics Conference Series
Abstract: In this study CFD investigation of flow over the NREL S826 airfoil is performed. NREL S826 airfoil was designed for HAWTs of 10-15 meter diameters. However, it is used in the NTNU wind turbine rotor model and low Reynolds number flow characteristics become important in the validations with the test cases of this rotor model. The airfoil CFD simulations are carried out in 2-D and 3-D computational domains. The k-omega SST turbulence model with Langtry-Menter (gamma-Re-theta) transition prediction model for turbulence closure is used in the calculations. The Delayed DES is also performed in the stall region for comparisons. The results are compared with the available METUWIND experimental data, and are shown to be in fair agreement. It is observed that 3-D CFD analysis provides increased accuracy at increased computational cost.
ISSN: 1742-6588
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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