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Title: HAWT near-wake aerodynamics, part I : axial flow conditions
Authors: Haans, Wouter
Sant, Tonio
van Kuik, Gijs
van Bussel, Gerard
Keywords: Rotors
Rotors -- Design and construction
Rotors -- Testing
Horizontal axis wind turbines
Axial flow
Issue Date: 2008
Publisher: John Wiley & Sons, Ltd.
Citation: Haans, W., Sant, T., van Kuik, G., & van Bussel, G. (2008). HAWT near‐wake aerodynamics, part I: axial flow conditions. Wind Energy, 11(3), 245-264.
Abstract: An improved physical understanding of the rotor aerodynamics of a horizontal axis wind turbine (HAWT) is required to reduce the uncertainties associated with today’s design codes. Wind tunnel experiments contribute to increased knowledge and enable valida- tion and construction of models. The present study focuses on the near-wake of a model HAWT in both axial and yawed flow conditions. At three downstream planes parallel to the rotor plane, single-sensor hot-film traverses are made. The phase-locked unsteady three- dimensional flow velocity vector is determined by a novel data reduction method. A series of two papers discusses the near-wake aerodynamics of a model HAWT. The main goals are to obtain a detailed understanding of the near-wake development and to arrive at a base for model construction and validation. The first paper presents the experimental setup, data reduction and the results for the baseline case (axial flow conditions). In the second paper, the results for the yawed flow cases are presented and the effect of yaw misalignment on the near-wake development is discussed. Copyright
Appears in Collections:Scholarly Works - FacEngME

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