A new theoretical procedure has been developed modifying the existing analysis for a marine propeller operating in a nonuniform inflow field by considering the radially varying mean wake and mean propeller induction. In addition, the selection of a new reference surface around which the perturbation analysis is developed is based on the nonlinear form of the Bernoulli equation together with an appropriate kinematic condition existing at the propeller operational condition. A flow field closer to the propeller operating condition is achieved thereby and the linear theory requirement of small perturbation quantities is reinforced. The approach is thus applicable to moderately to heavily loaded propellers immersed in the stronger wakes of hulls or large block coefficient, although it can be used for lightly loaded propellers as well. (DePo)


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    Title :

    Blade pressure distribution for a moderately loaded propeller


    Additional title:

    Verteilung des Propellerfluegeldruckes bei Schiffspropellern unter mittlerer Last


    Contributors:
    Tsakonas, S. (author) / Breslin, J.P. (author) / Jacobs, W.R. (author)

    Published in:

    Publication date :

    1980


    Size :

    73 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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