A surface panel method is employed for the thin boundary layer calculation of heavily loaded marine propellers in steady state conditions.Employing the surface panel method, known as the Morino Method, the flow field around the propeller is represented by an unknown potential. The majority of the flow field is governed by the potential theory while the viscosity is assumed to be largely confined to thin shear layer on the propeller surface. The boundary layer calculations are performed by using Cebeci-Smith two dimensional model and the local skin friction coefficients and blowing velocities are obtained along the precomputed on-body streamlines. It is shown that the prediction of torque of the propeller is improved when the boundary layer calculations are used instead of the boundary layer corrections based on the formulae established for the flat plates.


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    Titel :

    On the importance of boundary layer calculations instead of viscous correction in heavily loaded marine propellers while using a surface panel method


    Weitere Titelangaben:

    Über die Bedeutung von Grenzschichtberechnungen unter Verwendung eines Oberflächenpaneel-Verfahrens anstelle einer Zähigkeitskorrektur bei hochbelasteten Schiffspropellern


    Beteiligte:
    Takinaci, A.C. (Autor:in) / Atlar, M. (Autor:in)

    Erschienen in:

    Ocean Engineering ; 28 , 5 ; 519-536


    Erscheinungsdatum :

    2001


    Format / Umfang :

    17 Seiten, 10 Bilder, 16 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch