To design quiet ships an understanding of propeller noise is desirable. Starting from cavitation tunnel measurements of tip vortex cavitation (TVC) noise, the ‘TVC noise envelope’ concept was developed to hypothesize that TVC noise NI=NB+NV.

    NB represents the noise from cavitation nuclei expanding into the tip vortex and NV represents the formation noise of the visible vortex cavity. To test this hypothesis three dimensional foil results were used. By simulating the growth of spherical bubbles spiraling around a Rankine vortex, the NB component was shown to be in good agreement with the measured TVC noise envelope. By ejecting air from the foil tip, the NV component was experimentally simulated and its noise signal compared with the actual TVC noise signal.

    From these simulation results, the role of cavitation nuclei, tip vortex strength and radius on the TVC noise mechanism could be better understood.


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    Titel :

    Study of tip vortex cavitation noise from foils


    Beteiligte:
    Latorre, R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1980-03-01


    Format / Umfang :

    20 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :


    Study of vortes cavitation noise from foils

    Latorre, R. | Tema Archiv | 1980


    Propeller Tip Vortex Cavitation Noise (On OPV's)

    Braennstroem, K. / Royal Institution of Naval Architects | British Library Conference Proceedings | 1995


    Dynamics and Noise Emission of Vortex Cavitation Bubbles

    Choi, J. / Hsiao, C.-T. / Chahine, G.L. et al. | British Library Conference Proceedings | 2007


    Inception, Development, and Noise of a Tip Vortex Cavitation

    Briancon-Marjollet, L. / Merle, L. / United States; Office of Naval Research; Mechanics and Energy Conversion S&T Division et al. | British Library Conference Proceedings | 1997


    Propeller : hull vortex cavitation

    Huse, Erling | TIBKAT | 1971