Wind tunnel application of particle image velocimetry to the measurement of flow over a wind turbine

G. H. Smith, I. Grant, A. Liu, D. Infield, T. Eich

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    Abstract

    This paper describes the application of Particle Image Velocimetry (PIV), an optical flow measurement technique, to the measurement of flow round, and induced by a wind generator. It summarises work carried out by the Department of Offshore Engineering and Energy Research Unit, within The Rutherford Appleton laboratory. The majority of the work programme to date has been applied to measurements, in the Offshore Engineering Wind tunnel, of the flow characteristics around a small wind generator (the Rutland Marlec). In particular the application of different commercial laser systems for PIV was investigated. One was based on a 10J Ruby laser the second on two 180 mJ Yag lasers. This has shown the type and quality of measurements which are capable of being made. Firstly the technical details of the Particle Image Velocimetry (PIV) technique are described. A summary of the various approaches is given. This is followed by a description of the particular configuration used in the wind tunnel experiment. Finally some preliminary experimental results and conclusions are presented.

    Original languageEnglish
    Pages (from-to)301-317
    Number of pages17
    JournalWind Engineering
    Volume15
    Issue number6
    Publication statusPublished - 1991

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    Smith, G. H., Grant, I., Liu, A., Infield, D., & Eich, T. (1991). Wind tunnel application of particle image velocimetry to the measurement of flow over a wind turbine. Wind Engineering, 15(6), 301-317.