A boundary-element method to compute steady flows around a set of sails at close hauled conditions (i.e., the wind is coming from upstream of the boat at a moderate angle of attack for the sails) is presented. It is based on a mixed potential-velocity formulation in order to solve the problem of zero thickness sail conditions. An iterative procedure is proposed to account for the interaction between sails; the shape of the wake of the leading sail is computed as an equilibrium stream surface in such a way that the plane wake assumption is not used. Numerical results are compared with tests conducted on isolated jibs and sets of jib and main sails in wind tunnels.


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    Title :

    Numerical study of sail aerodynamics


    Additional title:

    Numerische Behandlung der Aerodynamik des Segels


    Contributors:


    Publication date :

    1997


    Size :

    9 Seiten, 12 Bilder, 6 Tabellen, 22 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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