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  • Title: Broadband trailing edge noise from a sharp-edged strut.
    Author: Moreau DJ, Brooks LA, Doolan CJ.
    Journal: J Acoust Soc Am; 2011 May; 129(5):2820-9. PubMed ID: 21568386.
    Abstract:
    This paper presents experimental data concerning the flow and noise generated by a sharp-edged flat plate at low-to-moderate Reynolds number (Reynolds number based on chord of 2.0 × 10(5) to 5.0 × 10(5)). The data are used to evaluate a variety of semi-empirical trailing edge noise prediction methods. All were found to under-predict noise at lower frequencies. Examination of the velocity spectra in the near wake reveals that there are energetic velocity fluctuations at low frequency about the trailing edge. A semi-empirical model of the surface pressure spectrum is derived for predicting the trailing edge noise at low-to-moderate Reynolds number.
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