The initial boundary-layer state can significantly affect the radiated noise from an axisymmetric jet. Jets with initially laminar boundary layers are found to emit more noise. Thus, 'cleaner' far-field noise characteristics are achieved in tripped jets. Data suggest that the additional noise in the initially laminar case partly originates from the first stage of pairing of the coherent shear-layer vortices.


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    Titel :

    Effect of initial condition on subsonic jet noise


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1985-09-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Effect of initial condition on subsonic jet noise

    ZAMAN, K. B. M. Q. / George Washington / University et al. | AIAA | 1985





    Subsonic transport noise

    HODGE, C. | AIAA | 1980