Actuator Line/Navier-Stokes Computations for Flows past the Yawed MEXICO Rotor

Wen Zhong Shen, Jens Nørkær Sørensen, H. Yang

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    Abstract

    In the paper the Actuator Line/Navier-Stokes model has been used to simulate flows past the yawed MEXICO rotor. The computed loads as well as the velocity field behind the yawed rotor are compared to detailed pressure and PIV measurements which were carried out in the EU funded MEXICO project. The computed loading follows in general the experimental counterpart in a period of rotation with a slight overprediction on the mean loading which probably is caused by the inaccuracy of the airfoil data. The predicted wake velocity agrees well with the experiments in the near wake region. Computations with the DNW wind tunnel for the yawed rotor are also performed and show that the tunnel effects are very small in the loading and in the near wake field behind the rotor whereas in the far wake region (>1D) the influence becomes important.
    Original languageEnglish
    Title of host publicationProceedings of the Wake Conference
    Publication date2011
    Publication statusPublished - 2011
    EventWake Conference 2011 - Visby, Sweden
    Duration: 8 Jun 20119 Jun 2011

    Conference

    ConferenceWake Conference 2011
    Country/TerritorySweden
    CityVisby
    Period08/06/201109/06/2011

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