NACA0015 Measurements in LM Wind Tunnel and Turbulence Generated Noise

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    Abstract

    A NACA0015 airfoil section was instrumented with an array of highfrequency microphones mounted on its surface and measured in the wind tunnel at LM Glasfiber at various inflow speeds, angles of attack, and with different turbulent inflow conditions. The aim of this work is to analyze these measurement data, including the turbulent inflow characteristics. The airfoil surface pressure data are considered in the perspective of turbulent inflow noise in order to identify the potential for using these data to validate and possibly improve associated noise models from the literature. In addition, these data are further analyzed in the context of trailing edge noise modeling which is directly related to the surface pressure fluctuations in the vicinity of the trailing edge.
    Original languageEnglish
    Place of PublicationRoskilde
    PublisherDanmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi
    Number of pages63
    ISBN (Print)87-550-03701-1
    Publication statusPublished - 2008
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number1657(EN)
    ISSN0106-2840

    Keywords

    • Risø-R-1657
    • Risø-R-1657(EN)

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