This report describes a series of model experiments conducted as part of the overall project of the David Taylor Naval Ship Research and Development Center (DTNSRDC) to adapt controllable pitch propellers to the needs of high speed combatant ships. The first set of experiments was conducted on a model of the R/V ATHENA with and without the port propeller operating. The second set repeated the first, except that the Bass Dynamometer Boat was mounted aft of the model. The third set was a series of idealized wake distribution experiments, in which the model was removed and the pitot rake was mounted upstream of the Bass Boat. The effect of an operating port propeller on the mean starboard wake distribution and the harmonic content of the wake was small. The presence of the Bass Boat behind the ATHENA model, however, affects both the mean values and the harmonic content of the wake. Finally, one idealized mean wake distribution was shown to be weakly dependent on speed, and the harmonic content of wakes at two different speeds differed by less than three percent. (Author)


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    Titel :

    Analysis of Wake Survey Experimental Data for Model 5365 Representing the R/V ATHENA with and without the Bass Dynamometer Boat


    Beteiligte:
    R. B. Hurwitz (Autor:in) / L. B. Crook (Autor:in)

    Erscheinungsdatum :

    1981


    Format / Umfang :

    189 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch






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