A study of the near wake structure of a wind turbine comparing measurements from laboratory and full-scale experiments

J. Whale; K.H. Papadopoulos; C.G. Anderson; C.G. Helmis; D.J. Skyner

doi:10.1016/0038-092X(96)00019-9

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A study of the near wake structure of a wind turbine comparing measurements from laboratory and full-scale experiments

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A study of the near wake structure of a wind turbine comparing measurements from laboratory and full-scale experiments

J. Whale, K.H. Papadopoulos, C.G. Anderson, C.G. Helmis and D.J. Skyner

Solar Energy, Vol.56(6), pp.621-633

1996

DOI: https://doi.org/10.1016/0038-092X(96)00019-9

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Abstract

Wake flow measurements have been performed using the technique of particle image velocimetry (PIV) at stations downstream from a model wind turbine rotor, and evaluated against experimental data from two full-scale machines. Comparisons include both mean velocity and turbulent intensity cross-wake profiles at a range of tip speed ratios. The application of PIV to the study of wind turbine wakes is described in detail, including the steps required to ensure appropriate and accurate simulation of the flow field conditions. The results suggest that the PIV method is a potentially useful tool in the investigation of detailed wake flow, though significant differences are observed between wake velocity deficits at full- and model scale. These are discussed with regard to scale effect, the influence of terrain, model similarity, and the phenomenon of wake meandering and effective cross-wake smoothing.

Details

Title: A study of the near wake structure of a wind turbine comparing measurements from laboratory and full-scale experiments
Authors/Creators: J. Whale (Author/Creator) - University of Edinburgh
K.H. Papadopoulos (Author/Creator) - National and Kapodistrian University of Athens
C.G. Anderson (Author/Creator) - Air Products (Spain)
C.G. Helmis (Author/Creator) - National and Kapodistrian University of Athens
D.J. Skyner (Author/Creator) - University of Edinburgh
Publication Details: Solar Energy, Vol.56(6), pp.621-633
Publisher: Elsevier BV
Identifiers: 991005542091607891
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 7 Engineering & Materials Science; 7.57 Modelling & Simulation; 7.57.1333 Wind Turbine Aerodynamics
Web Of Science research areas: Energy & Fuels
ESI research areas: Engineering