Measurements have been made of the axial wake fraction over the complete propeller disc on a 1/120th scale model of a container ship in a recirculating water channel. The results have been compared with similar measurements over one half of the propeller disc on two larger models in a towing tank. An analysis of the results shows that the effects of asymmetry in the flow are significant and can be as large as the effects on the wake due to model scaling. It is concluded that in all future work wake surveys must be made over the complete propeller disc area to determine the effects of asymmetry of the flow.


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    Titel :

    A comparison of a wake survey on small and large ship models


    Beteiligte:
    Millward, A. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1979-01-01


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :



    Wake measurement on ship models

    Prohaska, C.W. / van Lammeren, W.P.A. | Engineering Index Backfile | 1937


    Wake measurement on ship models

    Prohaska, C.W. / van Lammeren, W.P.A. | Engineering Index Backfile | 1937


    Ship wake

    Akimoff, N.W. | Engineering Index Backfile | 1931


    Ship wake and wake propellers

    Kempf, G. | Engineering Index Backfile | 1931