Naturally propeller designers try to come up with an optimized geometry which passes the model testing phase without problems. To confirm that the tests will be successful, they have to rely on computer programs which simulate in detail the performance of the propeller behind the ship. Since propeller/hull interaction differs considerably between model and full scale, the designer would like to have a numerical tool which reflects these scaling effects. The commercial RANSE solver used for the open-water calculations can determine details of the flow around the blades and in the propeller slipstream. Also the overall quantities K(T) and K(Q) are calculated in good agreement with measurements. The simplicity of the current grid generation procedure is valuable if viscous results are to be obtained quickly. Still, viscous methods for propellers require considerable CPU time (Central Processor Unit) even for open-water.


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    Title :

    Numerical prediction of viscous propeller flows


    Additional title:

    Die numerische Vorhersage viskoser Schiffspropellerströmungen


    Contributors:

    Published in:

    Publication date :

    1999


    Size :

    8 Seiten, 11 Bilder, 7 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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