Testing Tidal Turbines Part II: Tidal Flow Characterisation Using ADV Data

H. Torrens-Spence, P. Jeffcoate, P. Schmitt, P. MacKinnon, B. Elsaesser

    Research output: Contribution to conferencePaper

    Abstract

    The study outlined in Testing Tidal Turbines Part 1 explains the variation in performance between turbines operating in steady and turbulent flow conditions. However, the impact of turbulence on devices is generally not well understood. Furthermore, the turbulence characteristics of high velocity marine currents have not been extensively studied. Therefore, knowledge of their characteristics must be expanded and methodologies to predict the impact of the characteristics on devices developed and improved. This study examines the measurement of tidal currents at a site used for testing of medium scale tidal turbines. The data being discussed was collected with a point velocimeter (ADV). The processing procedures implemented are discussed and the resulting estimated turbulence spectra and turbulence intensities are presented. The results contribute to the improvement of knowledge regarding tidal current characteristics. This will be fundamental to the optimisation of the design and operation of tidal stream devices.
    Original languageEnglish
    Publication statusPublished - 16 Sep 2014
    EventInternational Conference on Offshore Renewable Energy - Glasgow, United Kingdom
    Duration: 15 Sep 201417 Sep 2014

    Conference

    ConferenceInternational Conference on Offshore Renewable Energy
    CountryUnited Kingdom
    CityGlasgow
    Period15/09/201417/09/2014

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