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ZENODO
Dataset . 2021
License: CC BY
Data sources: Datacite
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ZENODO
Dataset . 2021
License: CC BY
Data sources: Datacite
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Data Supplement for 'Curled Wake Development of a Yawed Wind Turbine at Turbulent and Sheared Inflow' - Wind Energy Science Journal

Authors: Hulsman, Paul; Wosnik, Martin; Petrovi�����, Vlaho; H��lling, Michael; K��hn, Martin;

Data Supplement for 'Curled Wake Development of a Yawed Wind Turbine at Turbulent and Sheared Inflow' - Wind Energy Science Journal

Abstract

Data Supplement for 'Curled Wake Development of a Yawed Wind Turbine at Turbulent and Sheared Inflow' - Wind Energy Science Journal This database contains the measurement using a model wind turbine with 0.6m diameter(D) in a wind tunnel. A short-range Lidar WindScanner facilitated mapping the wake with a high spatial and temporal resolution in vertical, cross-stream planes at different downstream locations and in a horizontal plane at hub height. The measurement campaign was conducted in the large wind tunnel at ForWind-University of Oldenburg. The wind tunnel has a test section cross-section with the dimensions of 3m x3m. For this study three movable test section elements of 6m length were attached for a total enclosed length of 18m. The roof of the test section was adjusted to compensate for boundary layer growth to achieve a zero pressure gradient for the target wind speed of the experiments, nominally 7.5m/s, with an empty tunnel with no grid or turbine installed. The three-bladed MoWiTO 0.6 wind turbine model(Schottler et al.(2016)), with a hub height (h) of 0.77m and a diameter of 0.58m was placed at a distance of 2.4D downstream of the test section inlet, where the distance was measured to the centre of the rotor. In addition, the distance between the rotor center and the tower center is 110mm. The flow blockage, based on rotor swept area and tower flow-facing area, was 2.7%. The wind turbine controller is based on the torque of the generator (Petrovi ́c et al. (2018)) leading to a tip speed ratio of 5.7 at the operational point during non-misaligned cases with no grid. More information can be found in the paper. The folder contains 12 unique .mat files each containing a matlab structure. The matlab structure conatins the vertical and horizontal scan for each inflow and operational condition: With the upstream turbine installed: - Yaw0_Uniform_NoGrid - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal - Yaw30_Uniform_NoGrid - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal - Yawneg30_Uniform_NoGrid - 1D, 2D, 3D, 5D, 13D, 16D, Horizontal - Yaw0_Uniform_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal - Yaw30_Uniform_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal - Yawneg30_Uniform_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal - Yaw0_BoundaryLayer_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal - Yaw30_BoundaryLayer_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal - Yawneg30_BoundaryLayer_PassiveGrid - 1D, 2D, 3D, 5D, 7D, 10D, Horizontal Without the upstream turbine installed: - NoTurbine_Uniform_NoGrid - 1D, 2D, 3D, 5D, 13D, 16D - NoTurbine_Uniform_PassiveGrid - 0D, 1D, 2D, 3D, 5D, 7D, 10D - NoTurbine_BoundaryLayer_PassiveGrid - 0D, 1D, 2D, 3D, 5D, 7D, 10D Within each substructure the following parameters are provided: - v_los [m/s] ----------> Line of sight velocity - sigma [m/s] ----------> Spectrum width - x_Global_frame [m] ---> x-coordinate referenced at the lower grid midpoint - y_Global_frame [m] ---> y-coordinate referenced at the lower grid midpoint - z_Global_frame [m] ---> z-coordinate referenced at the lower grid midpoint - xx [m] ---------------> Grid of the x-coordinate referenced at the lower grid midpoint - yy [m] ---------------> Grid of the y-coordinate referenced at the lower grid midpoint - zz [m] ---------------> Grid of the z-coordinate referenced at the lower grid midpoint - uu [m/s] -------------> Horizontal wind speed at the position of the gridded coordinates, these data have been interpolated onto the grid When using this database please reference to the journal paper. All data has been included without warranty, express or implied. For further questions, please contact the corresponding author.

Keywords

Lidar, WindScanner, Wake deflection, Yaw steering, Wind tunnel

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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