Brief communication: Wind speed independent actuator disk control for faster AEP calculations of wind farms using CFD

Paul van der Laan*, Søren Juhl Andersen, Pierre-Elouan Réthoré

*Corresponding author for this work

    Research output: Contribution to journalJournal articleCommunication

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    Abstract

    A simple wind speed independent actuator disk control method is proposed that can be applied to speed up annual energy production calculations of wind farms using Reynolds-averaged Navier Stokes simulations. The new control method allows the user to simulate the effect of different wind speeds in one simulation by scaling a calibrated thrust coefficient curve, while keeping the inflow constant. Since the global flow is not changed, only the local flow around the actuator disks needs be recalculated from a previous converged result, which reduces the number of required iterations and computational effort by a factor of about 2-3.
    Original languageEnglish
    JournalWind Energy Science Discussions
    Number of pages7
    ISSN2366-7621
    DOIs
    Publication statusPublished - 2019

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