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    Electronic Resource
    Electronic Resource
    Study of the sound-vortex interaction: direct numerical simulations and experimental results (2003)
    Springer
    The European physical journal 32 (2003), S. 237-242 
    Details
    ISSN: 1434-6036
    Keywords: PACS. 43.28.+h Aeroacoustics and atmospheric sound – 47.32.-y Rotational flow and vorticity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We present a study of sound propagation through a single vortex by direct numerical simulations (DNS) compared to experimental measurements. We analyse the amplitude and the phase shift of the sound wave when it interacts with the vortical flow and we display the focusing effects produced by the vortex. We show that the turbulent fluctuations have a little effect on the sound phase shift whereas they induce a strong defocusing effect on the sound amplitude.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epjb/e2003-00093-7
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